Home / 48,591.43-72,873.07-20,517.84

Finding the Fourth Proportional to 48,591.43, 72,873.07 and 20,517.84

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Solution

The fourth proportional to 48,591.43, 72,873.07 and 20,517.84 is: 30,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,591.43 : 72,873.07 = 20,517.84 : x
  2. Step 2: Convert to fraction form
    48,591.43/72,873.07 = 20,517.84/x
  3. Step 3: Cross multiply
    48,591.43x = 72,873.07 × 20,517.84
  4. Step 4: Simplify right side
    48,591.43x = 1,495,197,939.27
  5. Step 5: Solve for x
    x = 1,495,197,939.27/48,591.43
  6. Step 6: Final answer
    x = 30,770.82

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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.