Home / 71,331.30-98,440.29-39,500.19

Finding the Fourth Proportional to 71,331.30, 98,440.29 and 39,500.19

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Solution

The fourth proportional to 71,331.30, 98,440.29 and 39,500.19 is: 54,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331.30 : 98,440.29 = 39,500.19 : x
  2. Step 2: Convert to fraction form
    71,331.30/98,440.29 = 39,500.19/x
  3. Step 3: Cross multiply
    71,331.30x = 98,440.29 × 39,500.19
  4. Step 4: Simplify right side
    71,331.30x = 3,888,410,158.66
  5. Step 5: Solve for x
    x = 3,888,410,158.66/71,331.30
  6. Step 6: Final answer
    x = 54,511.98

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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.