Home / 27,042.33-40,565.52-7,320.55

Finding the Fourth Proportional to 27,042.33, 40,565.52 and 7,320.55

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Solution

The fourth proportional to 27,042.33, 40,565.52 and 7,320.55 is: 10,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.33 : 40,565.52 = 7,320.55 : x
  2. Step 2: Convert to fraction form
    27,042.33/40,565.52 = 7,320.55/x
  3. Step 3: Cross multiply
    27,042.33x = 40,565.52 × 7,320.55
  4. Step 4: Simplify right side
    27,042.33x = 296,961,917.44
  5. Step 5: Solve for x
    x = 296,961,917.44/27,042.33
  6. Step 6: Final answer
    x = 10,981.37

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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.