Home / 36,521.20-54,781.48-11,561.28

Finding the Fourth Proportional to 36,521.20, 54,781.48 and 11,561.28

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Solution

The fourth proportional to 36,521.20, 54,781.48 and 11,561.28 is: 17,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.20 : 54,781.48 = 11,561.28 : x
  2. Step 2: Convert to fraction form
    36,521.20/54,781.48 = 11,561.28/x
  3. Step 3: Cross multiply
    36,521.20x = 54,781.48 × 11,561.28
  4. Step 4: Simplify right side
    36,521.20x = 633,344,029.09
  5. Step 5: Solve for x
    x = 633,344,029.09/36,521.20
  6. Step 6: Final answer
    x = 17,341.82

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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.