Home / 48,663.96-72,989.60-15,387.36

Finding the Fourth Proportional to 48,663.96, 72,989.60 and 15,387.36

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Solution

The fourth proportional to 48,663.96, 72,989.60 and 15,387.36 is: 23,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,663.96 : 72,989.60 = 15,387.36 : x
  2. Step 2: Convert to fraction form
    48,663.96/72,989.60 = 15,387.36/x
  3. Step 3: Cross multiply
    48,663.96x = 72,989.60 × 15,387.36
  4. Step 4: Simplify right side
    48,663.96x = 1,123,117,251.46
  5. Step 5: Solve for x
    x = 1,123,117,251.46/48,663.96
  6. Step 6: Final answer
    x = 23,079.04

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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.