Home / 38,938.88-58,418.56-11,239.68

Finding the Fourth Proportional to 38,938.88, 58,418.56 and 11,239.68

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Solution

The fourth proportional to 38,938.88, 58,418.56 and 11,239.68 is: 16,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.88 : 58,418.56 = 11,239.68 : x
  2. Step 2: Convert to fraction form
    38,938.88/58,418.56 = 11,239.68/x
  3. Step 3: Cross multiply
    38,938.88x = 58,418.56 × 11,239.68
  4. Step 4: Simplify right side
    38,938.88x = 656,605,920.46
  5. Step 5: Solve for x
    x = 656,605,920.46/38,938.88
  6. Step 6: Final answer
    x = 16,862.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.