Home / 38,578.80-57,867.78-29,275.95

Finding the Fourth Proportional to 38,578.80, 57,867.78 and 29,275.95

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Solution

The fourth proportional to 38,578.80, 57,867.78 and 29,275.95 is: 43,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.80 : 57,867.78 = 29,275.95 : x
  2. Step 2: Convert to fraction form
    38,578.80/57,867.78 = 29,275.95/x
  3. Step 3: Cross multiply
    38,578.80x = 57,867.78 × 29,275.95
  4. Step 4: Simplify right side
    38,578.80x = 1,694,134,233.89
  5. Step 5: Solve for x
    x = 1,694,134,233.89/38,578.80
  6. Step 6: Final answer
    x = 43,913.61

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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.