Home / 36,125.91-54,177.66-12,746.88

Finding the Fourth Proportional to 36,125.91, 54,177.66 and 12,746.88

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Solution

The fourth proportional to 36,125.91, 54,177.66 and 12,746.88 is: 19,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.91 : 54,177.66 = 12,746.88 : x
  2. Step 2: Convert to fraction form
    36,125.91/54,177.66 = 12,746.88/x
  3. Step 3: Cross multiply
    36,125.91x = 54,177.66 × 12,746.88
  4. Step 4: Simplify right side
    36,125.91x = 690,596,130.70
  5. Step 5: Solve for x
    x = 690,596,130.70/36,125.91
  6. Step 6: Final answer
    x = 19,116.37

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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.