Home / 55,414.13-83,121.21-13,861.13

Finding the Fourth Proportional to 55,414.13, 83,121.21 and 13,861.13

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Solution

The fourth proportional to 55,414.13, 83,121.21 and 13,861.13 is: 20,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,414.13 : 83,121.21 = 13,861.13 : x
  2. Step 2: Convert to fraction form
    55,414.13/83,121.21 = 13,861.13/x
  3. Step 3: Cross multiply
    55,414.13x = 83,121.21 × 13,861.13
  4. Step 4: Simplify right side
    55,414.13x = 1,152,153,481.96
  5. Step 5: Solve for x
    x = 1,152,153,481.96/55,414.13
  6. Step 6: Final answer
    x = 20,791.69

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1.5x scale

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.