Home / 40,589.52-60,890.20-12,511.92

Finding the Fourth Proportional to 40,589.52, 60,890.20 and 12,511.92

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Solution

The fourth proportional to 40,589.52, 60,890.20 and 12,511.92 is: 18,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,589.52 : 60,890.20 = 12,511.92 : x
  2. Step 2: Convert to fraction form
    40,589.52/60,890.20 = 12,511.92/x
  3. Step 3: Cross multiply
    40,589.52x = 60,890.20 × 12,511.92
  4. Step 4: Simplify right side
    40,589.52x = 761,853,311.18
  5. Step 5: Solve for x
    x = 761,853,311.18/40,589.52
  6. Step 6: Final answer
    x = 18,769.70

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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.