Home / 48,202.92-72,296.10-13,142.61

Finding the Fourth Proportional to 48,202.92, 72,296.10 and 13,142.61

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Solution

The fourth proportional to 48,202.92, 72,296.10 and 13,142.61 is: 19,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,202.92 : 72,296.10 = 13,142.61 : x
  2. Step 2: Convert to fraction form
    48,202.92/72,296.10 = 13,142.61/x
  3. Step 3: Cross multiply
    48,202.92x = 72,296.10 × 13,142.61
  4. Step 4: Simplify right side
    48,202.92x = 950,159,446.82
  5. Step 5: Solve for x
    x = 950,159,446.82/48,202.92
  6. Step 6: Final answer
    x = 19,711.66

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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.