Home / 31,822.62-47,724.21-15,173.88

Finding the Fourth Proportional to 31,822.62, 47,724.21 and 15,173.88

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Solution

The fourth proportional to 31,822.62, 47,724.21 and 15,173.88 is: 22,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.62 : 47,724.21 = 15,173.88 : x
  2. Step 2: Convert to fraction form
    31,822.62/47,724.21 = 15,173.88/x
  3. Step 3: Cross multiply
    31,822.62x = 47,724.21 × 15,173.88
  4. Step 4: Simplify right side
    31,822.62x = 724,161,435.63
  5. Step 5: Solve for x
    x = 724,161,435.63/31,822.62
  6. Step 6: Final answer
    x = 22,756.19

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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.