Home / 38,142.88-57,200.28-13,176.52

Finding the Fourth Proportional to 38,142.88, 57,200.28 and 13,176.52

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Solution

The fourth proportional to 38,142.88, 57,200.28 and 13,176.52 is: 19,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.88 : 57,200.28 = 13,176.52 : x
  2. Step 2: Convert to fraction form
    38,142.88/57,200.28 = 13,176.52/x
  3. Step 3: Cross multiply
    38,142.88x = 57,200.28 × 13,176.52
  4. Step 4: Simplify right side
    38,142.88x = 753,700,633.43
  5. Step 5: Solve for x
    x = 753,700,633.43/38,142.88
  6. Step 6: Final answer
    x = 19,759.93

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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.