Home / 39,387.33-54,354.27-22,391.58

Finding the Fourth Proportional to 39,387.33, 54,354.27 and 22,391.58

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Solution

The fourth proportional to 39,387.33, 54,354.27 and 22,391.58 is: 30,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.33 : 54,354.27 = 22,391.58 : x
  2. Step 2: Convert to fraction form
    39,387.33/54,354.27 = 22,391.58/x
  3. Step 3: Cross multiply
    39,387.33x = 54,354.27 × 22,391.58
  4. Step 4: Simplify right side
    39,387.33x = 1,217,077,601.32
  5. Step 5: Solve for x
    x = 1,217,077,601.32/39,387.33
  6. Step 6: Final answer
    x = 30,900.24

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1.5x scale

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.