Home / 71,327.47-98,431.91-39,496.39

Finding the Fourth Proportional to 71,327.47, 98,431.91 and 39,496.39

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Solution

The fourth proportional to 71,327.47, 98,431.91 and 39,496.39 is: 54,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.47 : 98,431.91 = 39,496.39 : x
  2. Step 2: Convert to fraction form
    71,327.47/98,431.91 = 39,496.39/x
  3. Step 3: Cross multiply
    71,327.47x = 98,431.91 × 39,496.39
  4. Step 4: Simplify right side
    71,327.47x = 3,887,705,105.80
  5. Step 5: Solve for x
    x = 3,887,705,105.80/71,327.47
  6. Step 6: Final answer
    x = 54,505.02

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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.