Home / 71,250.17-98,322.46-39,418.38

Finding the Fourth Proportional to 71,250.17, 98,322.46 and 39,418.38

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Solution

The fourth proportional to 71,250.17, 98,322.46 and 39,418.38 is: 54,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,250.17 : 98,322.46 = 39,418.38 : x
  2. Step 2: Convert to fraction form
    71,250.17/98,322.46 = 39,418.38/x
  3. Step 3: Cross multiply
    71,250.17x = 98,322.46 × 39,418.38
  4. Step 4: Simplify right side
    71,250.17x = 3,875,711,992.27
  5. Step 5: Solve for x
    x = 3,875,711,992.27/71,250.17
  6. Step 6: Final answer
    x = 54,395.83

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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.