Home / 37,332.12-55,909.28-20,439.96

Finding the Fourth Proportional to 37,332.12, 55,909.28 and 20,439.96

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Solution

The fourth proportional to 37,332.12, 55,909.28 and 20,439.96 is: 30,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,332.12 : 55,909.28 = 20,439.96 : x
  2. Step 2: Convert to fraction form
    37,332.12/55,909.28 = 20,439.96/x
  3. Step 3: Cross multiply
    37,332.12x = 55,909.28 × 20,439.96
  4. Step 4: Simplify right side
    37,332.12x = 1,142,783,446.83
  5. Step 5: Solve for x
    x = 1,142,783,446.83/37,332.12
  6. Step 6: Final answer
    x = 30,611.27

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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.