Home / 71,379.28-98,506.56-39,548.17

Finding the Fourth Proportional to 71,379.28, 98,506.56 and 39,548.17

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Solution

The fourth proportional to 71,379.28, 98,506.56 and 39,548.17 is: 54,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,379.28 : 98,506.56 = 39,548.17 : x
  2. Step 2: Convert to fraction form
    71,379.28/98,506.56 = 39,548.17/x
  3. Step 3: Cross multiply
    71,379.28x = 98,506.56 × 39,548.17
  4. Step 4: Simplify right side
    71,379.28x = 3,895,754,181.00
  5. Step 5: Solve for x
    x = 3,895,754,181.00/71,379.28
  6. Step 6: Final answer
    x = 54,578.22

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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.