Home / 51,521.28-77,244.12-16,440.72

Finding the Fourth Proportional to 51,521.28, 77,244.12 and 16,440.72

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Solution

The fourth proportional to 51,521.28, 77,244.12 and 16,440.72 is: 24,649.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521.28 : 77,244.12 = 16,440.72 : x
  2. Step 2: Convert to fraction form
    51,521.28/77,244.12 = 16,440.72/x
  3. Step 3: Cross multiply
    51,521.28x = 77,244.12 × 16,440.72
  4. Step 4: Simplify right side
    51,521.28x = 1,269,948,948.57
  5. Step 5: Solve for x
    x = 1,269,948,948.57/51,521.28
  6. Step 6: Final answer
    x = 24,649.02

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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.