Home / 55,590.38-83,394.20-18,663.02

Finding the Fourth Proportional to 55,590.38, 83,394.20 and 18,663.02

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Solution

The fourth proportional to 55,590.38, 83,394.20 and 18,663.02 is: 27,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.38 : 83,394.20 = 18,663.02 : x
  2. Step 2: Convert to fraction form
    55,590.38/83,394.20 = 18,663.02/x
  3. Step 3: Cross multiply
    55,590.38x = 83,394.20 × 18,663.02
  4. Step 4: Simplify right side
    55,590.38x = 1,556,387,252.17
  5. Step 5: Solve for x
    x = 1,556,387,252.17/55,590.38
  6. Step 6: Final answer
    x = 27,997.42

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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.