Home / 36,148.80-54,194.40-15,355.20

Finding the Fourth Proportional to 36,148.80, 54,194.40 and 15,355.20

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Solution

The fourth proportional to 36,148.80, 54,194.40 and 15,355.20 is: 23,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.80 : 54,194.40 = 15,355.20 : x
  2. Step 2: Convert to fraction form
    36,148.80/54,194.40 = 15,355.20/x
  3. Step 3: Cross multiply
    36,148.80x = 54,194.40 × 15,355.20
  4. Step 4: Simplify right side
    36,148.80x = 832,165,850.88
  5. Step 5: Solve for x
    x = 832,165,850.88/36,148.80
  6. Step 6: Final answer
    x = 23,020.57

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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.