Home / 38,143.88-57,201.78-13,177.52

Finding the Fourth Proportional to 38,143.88, 57,201.78 and 13,177.52

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Solution

The fourth proportional to 38,143.88, 57,201.78 and 13,177.52 is: 19,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.88 : 57,201.78 = 13,177.52 : x
  2. Step 2: Convert to fraction form
    38,143.88/57,201.78 = 13,177.52/x
  3. Step 3: Cross multiply
    38,143.88x = 57,201.78 × 13,177.52
  4. Step 4: Simplify right side
    38,143.88x = 753,777,599.99
  5. Step 5: Solve for x
    x = 753,777,599.99/38,143.88
  6. Step 6: Final answer
    x = 19,761.43

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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.