Home / 39,299.08-54,231.78-22,531

Finding the Fourth Proportional to 39,299.08, 54,231.78 and 22,531

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Solution

The fourth proportional to 39,299.08, 54,231.78 and 22,531 is: 31,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.08 : 54,231.78 = 22,531 : x
  2. Step 2: Convert to fraction form
    39,299.08/54,231.78 = 22,531/x
  3. Step 3: Cross multiply
    39,299.08x = 54,231.78 × 22,531
  4. Step 4: Simplify right side
    39,299.08x = 1,221,896,235.18
  5. Step 5: Solve for x
    x = 1,221,896,235.18/39,299.08
  6. Step 6: Final answer
    x = 31,092.24

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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.