Home / 71,294.10-98,387.55-39,464.34

Finding the Fourth Proportional to 71,294.10, 98,387.55 and 39,464.34

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Solution

The fourth proportional to 71,294.10, 98,387.55 and 39,464.34 is: 54,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.10 : 98,387.55 = 39,464.34 : x
  2. Step 2: Convert to fraction form
    71,294.10/98,387.55 = 39,464.34/x
  3. Step 3: Cross multiply
    71,294.10x = 98,387.55 × 39,464.34
  4. Step 4: Simplify right side
    71,294.10x = 3,882,799,724.97
  5. Step 5: Solve for x
    x = 3,882,799,724.97/71,294.10
  6. Step 6: Final answer
    x = 54,461.73

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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.