Home / 38,147.66-57,203.03-13,178.96

Finding the Fourth Proportional to 38,147.66, 57,203.03 and 13,178.96

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Solution

The fourth proportional to 38,147.66, 57,203.03 and 13,178.96 is: 19,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.66 : 57,203.03 = 13,178.96 : x
  2. Step 2: Convert to fraction form
    38,147.66/57,203.03 = 13,178.96/x
  3. Step 3: Cross multiply
    38,147.66x = 57,203.03 × 13,178.96
  4. Step 4: Simplify right side
    38,147.66x = 753,876,092.34
  5. Step 5: Solve for x
    x = 753,876,092.34/38,147.66
  6. Step 6: Final answer
    x = 19,762.06

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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.