Home / 55,601.20-76,726.68-31,730.08

Finding the Fourth Proportional to 55,601.20, 76,726.68 and 31,730.08

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Solution

The fourth proportional to 55,601.20, 76,726.68 and 31,730.08 is: 43,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.20 : 76,726.68 = 31,730.08 : x
  2. Step 2: Convert to fraction form
    55,601.20/76,726.68 = 31,730.08/x
  3. Step 3: Cross multiply
    55,601.20x = 76,726.68 × 31,730.08
  4. Step 4: Simplify right side
    55,601.20x = 2,434,543,694.53
  5. Step 5: Solve for x
    x = 2,434,543,694.53/55,601.20
  6. Step 6: Final answer
    x = 43,785.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.