Home / 39,752.61-54,859.25-22,756.79

Finding the Fourth Proportional to 39,752.61, 54,859.25 and 22,756.79

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Solution

The fourth proportional to 39,752.61, 54,859.25 and 22,756.79 is: 31,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.61 : 54,859.25 = 22,756.79 : x
  2. Step 2: Convert to fraction form
    39,752.61/54,859.25 = 22,756.79/x
  3. Step 3: Cross multiply
    39,752.61x = 54,859.25 × 22,756.79
  4. Step 4: Simplify right side
    39,752.61x = 1,248,420,292.12
  5. Step 5: Solve for x
    x = 1,248,420,292.12/39,752.61
  6. Step 6: Final answer
    x = 31,404.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.