Home / 48,377.81-72,548.08-18,791.75

Finding the Fourth Proportional to 48,377.81, 72,548.08 and 18,791.75

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Solution

The fourth proportional to 48,377.81, 72,548.08 and 18,791.75 is: 28,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,377.81 : 72,548.08 = 18,791.75 : x
  2. Step 2: Convert to fraction form
    48,377.81/72,548.08 = 18,791.75/x
  3. Step 3: Cross multiply
    48,377.81x = 72,548.08 × 18,791.75
  4. Step 4: Simplify right side
    48,377.81x = 1,363,305,516.73
  5. Step 5: Solve for x
    x = 1,363,305,516.73/48,377.81
  6. Step 6: Final answer
    x = 28,180.39

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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.