Home / 71,377.32-98,503.80-39,546.12

Finding the Fourth Proportional to 71,377.32, 98,503.80 and 39,546.12

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Solution

The fourth proportional to 71,377.32, 98,503.80 and 39,546.12 is: 54,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.32 : 98,503.80 = 39,546.12 : x
  2. Step 2: Convert to fraction form
    71,377.32/98,503.80 = 39,546.12/x
  3. Step 3: Cross multiply
    71,377.32x = 98,503.80 × 39,546.12
  4. Step 4: Simplify right side
    71,377.32x = 3,895,443,095.26
  5. Step 5: Solve for x
    x = 3,895,443,095.26/71,377.32
  6. Step 6: Final answer
    x = 54,575.36

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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.