Home / 48,371.83-72,585.76-20,289.38

Finding the Fourth Proportional to 48,371.83, 72,585.76 and 20,289.38

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Solution

The fourth proportional to 48,371.83, 72,585.76 and 20,289.38 is: 30,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.83 : 72,585.76 = 20,289.38 : x
  2. Step 2: Convert to fraction form
    48,371.83/72,585.76 = 20,289.38/x
  3. Step 3: Cross multiply
    48,371.83x = 72,585.76 × 20,289.38
  4. Step 4: Simplify right side
    48,371.83x = 1,472,720,067.23
  5. Step 5: Solve for x
    x = 1,472,720,067.23/48,371.83
  6. Step 6: Final answer
    x = 30,445.82

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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.