Home / 71,162.32-98,205.24-39,331.48

Finding the Fourth Proportional to 71,162.32, 98,205.24 and 39,331.48

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Solution

The fourth proportional to 71,162.32, 98,205.24 and 39,331.48 is: 54,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,162.32 : 98,205.24 = 39,331.48 : x
  2. Step 2: Convert to fraction form
    71,162.32/98,205.24 = 39,331.48/x
  3. Step 3: Cross multiply
    71,162.32x = 98,205.24 × 39,331.48
  4. Step 4: Simplify right side
    71,162.32x = 3,862,557,432.96
  5. Step 5: Solve for x
    x = 3,862,557,432.96/71,162.32
  6. Step 6: Final answer
    x = 54,278.13

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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.