Home / 55,092.72-82,646.56-20,042.40

Finding the Fourth Proportional to 55,092.72, 82,646.56 and 20,042.40

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Solution

The fourth proportional to 55,092.72, 82,646.56 and 20,042.40 is: 30,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,092.72 : 82,646.56 = 20,042.40 : x
  2. Step 2: Convert to fraction form
    55,092.72/82,646.56 = 20,042.40/x
  3. Step 3: Cross multiply
    55,092.72x = 82,646.56 × 20,042.40
  4. Step 4: Simplify right side
    55,092.72x = 1,656,435,414.14
  5. Step 5: Solve for x
    x = 1,656,435,414.14/55,092.72
  6. Step 6: Final answer
    x = 30,066.32

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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.