Home / 71,601.20-107,436.12-29,511.92

Finding the Fourth Proportional to 71,601.20, 107,436.12 and 29,511.92

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Solution

The fourth proportional to 71,601.20, 107,436.12 and 29,511.92 is: 44,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,601.20 : 107,436.12 = 29,511.92 : x
  2. Step 2: Convert to fraction form
    71,601.20/107,436.12 = 29,511.92/x
  3. Step 3: Cross multiply
    71,601.20x = 107,436.12 × 29,511.92
  4. Step 4: Simplify right side
    71,601.20x = 3,170,646,178.55
  5. Step 5: Solve for x
    x = 3,170,646,178.55/71,601.20
  6. Step 6: Final answer
    x = 44,282.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.