Home / 39,419.88-54,394.98-22,658.28

Finding the Fourth Proportional to 39,419.88, 54,394.98 and 22,658.28

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Solution

The fourth proportional to 39,419.88, 54,394.98 and 22,658.28 is: 31,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.88 : 54,394.98 = 22,658.28 : x
  2. Step 2: Convert to fraction form
    39,419.88/54,394.98 = 22,658.28/x
  3. Step 3: Cross multiply
    39,419.88x = 54,394.98 × 22,658.28
  4. Step 4: Simplify right side
    39,419.88x = 1,232,496,687.43
  5. Step 5: Solve for x
    x = 1,232,496,687.43/39,419.88
  6. Step 6: Final answer
    x = 31,265.87

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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.