Home / 39,135.25-54,006.65-22,368.61

Finding the Fourth Proportional to 39,135.25, 54,006.65 and 22,368.61

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Solution

The fourth proportional to 39,135.25, 54,006.65 and 22,368.61 is: 30,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.25 : 54,006.65 = 22,368.61 : x
  2. Step 2: Convert to fraction form
    39,135.25/54,006.65 = 22,368.61/x
  3. Step 3: Cross multiply
    39,135.25x = 54,006.65 × 22,368.61
  4. Step 4: Simplify right side
    39,135.25x = 1,208,053,691.26
  5. Step 5: Solve for x
    x = 1,208,053,691.26/39,135.25
  6. Step 6: Final answer
    x = 30,868.68

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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.