Home / 48,217.52-72,337.83-20,121.95

Finding the Fourth Proportional to 48,217.52, 72,337.83 and 20,121.95

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Solution

The fourth proportional to 48,217.52, 72,337.83 and 20,121.95 is: 30,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,217.52 : 72,337.83 = 20,121.95 : x
  2. Step 2: Convert to fraction form
    48,217.52/72,337.83 = 20,121.95/x
  3. Step 3: Cross multiply
    48,217.52x = 72,337.83 × 20,121.95
  4. Step 4: Simplify right side
    48,217.52x = 1,455,577,836.68
  5. Step 5: Solve for x
    x = 1,455,577,836.68/48,217.52
  6. Step 6: Final answer
    x = 30,187.74

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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.