Home / 51,714.57-77,552.69-18,425.80

Finding the Fourth Proportional to 51,714.57, 77,552.69 and 18,425.80

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Solution

The fourth proportional to 51,714.57, 77,552.69 and 18,425.80 is: 27,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.57 : 77,552.69 = 18,425.80 : x
  2. Step 2: Convert to fraction form
    51,714.57/77,552.69 = 18,425.80/x
  3. Step 3: Cross multiply
    51,714.57x = 77,552.69 × 18,425.80
  4. Step 4: Simplify right side
    51,714.57x = 1,428,970,355.40
  5. Step 5: Solve for x
    x = 1,428,970,355.40/51,714.57
  6. Step 6: Final answer
    x = 27,631.87

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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.