Home / 36,822.84-55,217.85-13,432.88

Finding the Fourth Proportional to 36,822.84, 55,217.85 and 13,432.88

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Solution

The fourth proportional to 36,822.84, 55,217.85 and 13,432.88 is: 20,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,822.84 : 55,217.85 = 13,432.88 : x
  2. Step 2: Convert to fraction form
    36,822.84/55,217.85 = 13,432.88/x
  3. Step 3: Cross multiply
    36,822.84x = 55,217.85 × 13,432.88
  4. Step 4: Simplify right side
    36,822.84x = 741,734,476.82
  5. Step 5: Solve for x
    x = 741,734,476.82/36,822.84
  6. Step 6: Final answer
    x = 20,143.33

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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.