Home / 51,253.76-76,881.14-17,974.64

Finding the Fourth Proportional to 51,253.76, 76,881.14 and 17,974.64

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Solution

The fourth proportional to 51,253.76, 76,881.14 and 17,974.64 is: 26,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.76 : 76,881.14 = 17,974.64 : x
  2. Step 2: Convert to fraction form
    51,253.76/76,881.14 = 17,974.64/x
  3. Step 3: Cross multiply
    51,253.76x = 76,881.14 × 17,974.64
  4. Step 4: Simplify right side
    51,253.76x = 1,381,910,814.29
  5. Step 5: Solve for x
    x = 1,381,910,814.29/51,253.76
  6. Step 6: Final answer
    x = 26,962.14

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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.