Home / 31,449.19-43,399.88-17,301.73

Finding the Fourth Proportional to 31,449.19, 43,399.88 and 17,301.73

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Solution

The fourth proportional to 31,449.19, 43,399.88 and 17,301.73 is: 23,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.19 : 43,399.88 = 17,301.73 : x
  2. Step 2: Convert to fraction form
    31,449.19/43,399.88 = 17,301.73/x
  3. Step 3: Cross multiply
    31,449.19x = 43,399.88 × 17,301.73
  4. Step 4: Simplify right side
    31,449.19x = 750,892,875.67
  5. Step 5: Solve for x
    x = 750,892,875.67/31,449.19
  6. Step 6: Final answer
    x = 23,876.38

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Find fourth proportional to 15,724.59, 21,699.94 and 8,650.86
Half scale
Find fourth proportional to 62,898.38, 86,799.76 and 34,603.46
Double scale
Find fourth proportional to 31,450.19, 43,401.26 and 17,302.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.