Home / 71,437.32-98,575.92-39,597.84

Finding the Fourth Proportional to 71,437.32, 98,575.92 and 39,597.84

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Solution

The fourth proportional to 71,437.32, 98,575.92 and 39,597.84 is: 54,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,437.32 : 98,575.92 = 39,597.84 : x
  2. Step 2: Convert to fraction form
    71,437.32/98,575.92 = 39,597.84/x
  3. Step 3: Cross multiply
    71,437.32x = 98,575.92 × 39,597.84
  4. Step 4: Simplify right side
    71,437.32x = 3,903,393,508.01
  5. Step 5: Solve for x
    x = 3,903,393,508.01/71,437.32
  6. Step 6: Final answer
    x = 54,640.82

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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.