Home / 48,305.42-72,395.76-21,631.92

Finding the Fourth Proportional to 48,305.42, 72,395.76 and 21,631.92

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Solution

The fourth proportional to 48,305.42, 72,395.76 and 21,631.92 is: 32,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.42 : 72,395.76 = 21,631.92 : x
  2. Step 2: Convert to fraction form
    48,305.42/72,395.76 = 21,631.92/x
  3. Step 3: Cross multiply
    48,305.42x = 72,395.76 × 21,631.92
  4. Step 4: Simplify right side
    48,305.42x = 1,566,059,288.66
  5. Step 5: Solve for x
    x = 1,566,059,288.66/48,305.42
  6. Step 6: Final answer
    x = 32,419.95

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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.