Home / 55,092.90-82,614.74-15,640.78

Finding the Fourth Proportional to 55,092.90, 82,614.74 and 15,640.78

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Solution

The fourth proportional to 55,092.90, 82,614.74 and 15,640.78 is: 23,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,092.90 : 82,614.74 = 15,640.78 : x
  2. Step 2: Convert to fraction form
    55,092.90/82,614.74 = 15,640.78/x
  3. Step 3: Cross multiply
    55,092.90x = 82,614.74 × 15,640.78
  4. Step 4: Simplify right side
    55,092.90x = 1,292,158,973.10
  5. Step 5: Solve for x
    x = 1,292,158,973.10/55,092.90
  6. Step 6: Final answer
    x = 23,454.18

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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.