Home / 39,451.27-54,443.06-21,545.95

Finding the Fourth Proportional to 39,451.27, 54,443.06 and 21,545.95

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Solution

The fourth proportional to 39,451.27, 54,443.06 and 21,545.95 is: 29,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.27 : 54,443.06 = 21,545.95 : x
  2. Step 2: Convert to fraction form
    39,451.27/54,443.06 = 21,545.95/x
  3. Step 3: Cross multiply
    39,451.27x = 54,443.06 × 21,545.95
  4. Step 4: Simplify right side
    39,451.27x = 1,173,027,340.88
  5. Step 5: Solve for x
    x = 1,173,027,340.88/39,451.27
  6. Step 6: Final answer
    x = 29,733.58

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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.