Home / 62,263.50-85,917.09-38,400.90

Finding the Fourth Proportional to 62,263.50, 85,917.09 and 38,400.90

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Solution

The fourth proportional to 62,263.50, 85,917.09 and 38,400.90 is: 52,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,263.50 : 85,917.09 = 38,400.90 : x
  2. Step 2: Convert to fraction form
    62,263.50/85,917.09 = 38,400.90/x
  3. Step 3: Cross multiply
    62,263.50x = 85,917.09 × 38,400.90
  4. Step 4: Simplify right side
    62,263.50x = 3,299,293,581.38
  5. Step 5: Solve for x
    x = 3,299,293,581.38/62,263.50
  6. Step 6: Final answer
    x = 52,989.21

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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.