Home / 31,263.96-43,144.76-17,118.12

Finding the Fourth Proportional to 31,263.96, 43,144.76 and 17,118.12

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Solution

The fourth proportional to 31,263.96, 43,144.76 and 17,118.12 is: 23,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.96 : 43,144.76 = 17,118.12 : x
  2. Step 2: Convert to fraction form
    31,263.96/43,144.76 = 17,118.12/x
  3. Step 3: Cross multiply
    31,263.96x = 43,144.76 × 17,118.12
  4. Step 4: Simplify right side
    31,263.96x = 738,557,179.05
  5. Step 5: Solve for x
    x = 738,557,179.05/31,263.96
  6. Step 6: Final answer
    x = 23,623.28

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Half scale
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Double scale
Find fourth proportional to 31,264.96, 43,146.14 and 17,119.12
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.