Home / 48,373.11-72,572.79-20,278.39

Finding the Fourth Proportional to 48,373.11, 72,572.79 and 20,278.39

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Solution

The fourth proportional to 48,373.11, 72,572.79 and 20,278.39 is: 30,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.11 : 72,572.79 = 20,278.39 : x
  2. Step 2: Convert to fraction form
    48,373.11/72,572.79 = 20,278.39/x
  3. Step 3: Cross multiply
    48,373.11x = 72,572.79 × 20,278.39
  4. Step 4: Simplify right side
    48,373.11x = 1,471,659,339.01
  5. Step 5: Solve for x
    x = 1,471,659,339.01/48,373.11
  6. Step 6: Final answer
    x = 30,423.09

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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.