Home / 56,531.28-84,796.92-21,470.85

Finding the Fourth Proportional to 56,531.28, 84,796.92 and 21,470.85

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Solution

The fourth proportional to 56,531.28, 84,796.92 and 21,470.85 is: 32,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,531.28 : 84,796.92 = 21,470.85 : x
  2. Step 2: Convert to fraction form
    56,531.28/84,796.92 = 21,470.85/x
  3. Step 3: Cross multiply
    56,531.28x = 84,796.92 × 21,470.85
  4. Step 4: Simplify right side
    56,531.28x = 1,820,661,949.78
  5. Step 5: Solve for x
    x = 1,820,661,949.78/56,531.28
  6. Step 6: Final answer
    x = 32,206.28

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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.