Home / 71,048.30-98,046.12-39,217.19

Finding the Fourth Proportional to 71,048.30, 98,046.12 and 39,217.19

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Solution

The fourth proportional to 71,048.30, 98,046.12 and 39,217.19 is: 54,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.30 : 98,046.12 = 39,217.19 : x
  2. Step 2: Convert to fraction form
    71,048.30/98,046.12 = 39,217.19/x
  3. Step 3: Cross multiply
    71,048.30x = 98,046.12 × 39,217.19
  4. Step 4: Simplify right side
    71,048.30x = 3,845,093,316.80
  5. Step 5: Solve for x
    x = 3,845,093,316.80/71,048.30
  6. Step 6: Final answer
    x = 54,119.43

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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.