Home / 38,144.88-57,203.28-13,178.52

Finding the Fourth Proportional to 38,144.88, 57,203.28 and 13,178.52

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Solution

The fourth proportional to 38,144.88, 57,203.28 and 13,178.52 is: 19,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.88 : 57,203.28 = 13,178.52 : x
  2. Step 2: Convert to fraction form
    38,144.88/57,203.28 = 13,178.52/x
  3. Step 3: Cross multiply
    38,144.88x = 57,203.28 × 13,178.52
  4. Step 4: Simplify right side
    38,144.88x = 753,854,569.55
  5. Step 5: Solve for x
    x = 753,854,569.55/38,144.88
  6. Step 6: Final answer
    x = 19,762.93

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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.