Home / 59,738.88-89,585.28-20,286.72

Finding the Fourth Proportional to 59,738.88, 89,585.28 and 20,286.72

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Solution

The fourth proportional to 59,738.88, 89,585.28 and 20,286.72 is: 30,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,738.88 : 89,585.28 = 20,286.72 : x
  2. Step 2: Convert to fraction form
    59,738.88/89,585.28 = 20,286.72/x
  3. Step 3: Cross multiply
    59,738.88x = 89,585.28 × 20,286.72
  4. Step 4: Simplify right side
    59,738.88x = 1,817,391,491.48
  5. Step 5: Solve for x
    x = 1,817,391,491.48/59,738.88
  6. Step 6: Final answer
    x = 30,422.26

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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.