Home / 48,178.92-72,289.06-18,617.52

Finding the Fourth Proportional to 48,178.92, 72,289.06 and 18,617.52

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Solution

The fourth proportional to 48,178.92, 72,289.06 and 18,617.52 is: 27,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,178.92 : 72,289.06 = 18,617.52 : x
  2. Step 2: Convert to fraction form
    48,178.92/72,289.06 = 18,617.52/x
  3. Step 3: Cross multiply
    48,178.92x = 72,289.06 × 18,617.52
  4. Step 4: Simplify right side
    48,178.92x = 1,345,843,020.33
  5. Step 5: Solve for x
    x = 1,345,843,020.33/48,178.92
  6. Step 6: Final answer
    x = 27,934.27

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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.