Home / 49,726.16-74,600.20-21,650.72

Finding the Fourth Proportional to 49,726.16, 74,600.20 and 21,650.72

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Solution

The fourth proportional to 49,726.16, 74,600.20 and 21,650.72 is: 32,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,726.16 : 74,600.20 = 21,650.72 : x
  2. Step 2: Convert to fraction form
    49,726.16/74,600.20 = 21,650.72/x
  3. Step 3: Cross multiply
    49,726.16x = 74,600.20 × 21,650.72
  4. Step 4: Simplify right side
    49,726.16x = 1,615,148,042.14
  5. Step 5: Solve for x
    x = 1,615,148,042.14/49,726.16
  6. Step 6: Final answer
    x = 32,480.85

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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.