Home / 31,263.75-43,144.11-17,116.83

Finding the Fourth Proportional to 31,263.75, 43,144.11 and 17,116.83

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Solution

The fourth proportional to 31,263.75, 43,144.11 and 17,116.83 is: 23,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.75 : 43,144.11 = 17,116.83 : x
  2. Step 2: Convert to fraction form
    31,263.75/43,144.11 = 17,116.83/x
  3. Step 3: Cross multiply
    31,263.75x = 43,144.11 × 17,116.83
  4. Step 4: Simplify right side
    31,263.75x = 738,490,396.37
  5. Step 5: Solve for x
    x = 738,490,396.37/31,263.75
  6. Step 6: Final answer
    x = 23,621.30

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Half scale
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Double scale
Find fourth proportional to 31,264.75, 43,145.49 and 17,117.83
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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.