Home / 51,417.20-77,131.20-16,348.70

Finding the Fourth Proportional to 51,417.20, 77,131.20 and 16,348.70

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Solution

The fourth proportional to 51,417.20, 77,131.20 and 16,348.70 is: 24,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,417.20 : 77,131.20 = 16,348.70 : x
  2. Step 2: Convert to fraction form
    51,417.20/77,131.20 = 16,348.70/x
  3. Step 3: Cross multiply
    51,417.20x = 77,131.20 × 16,348.70
  4. Step 4: Simplify right side
    51,417.20x = 1,260,994,849.44
  5. Step 5: Solve for x
    x = 1,260,994,849.44/51,417.20
  6. Step 6: Final answer
    x = 24,524.77

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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.