Home / 36,459.16-54,691.42-13,085.80

Finding the Fourth Proportional to 36,459.16, 54,691.42 and 13,085.80

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Solution

The fourth proportional to 36,459.16, 54,691.42 and 13,085.80 is: 19,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459.16 : 54,691.42 = 13,085.80 : x
  2. Step 2: Convert to fraction form
    36,459.16/54,691.42 = 13,085.80/x
  3. Step 3: Cross multiply
    36,459.16x = 54,691.42 × 13,085.80
  4. Step 4: Simplify right side
    36,459.16x = 715,680,983.84
  5. Step 5: Solve for x
    x = 715,680,983.84/36,459.16
  6. Step 6: Final answer
    x = 19,629.66

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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.