Home / 51,874.71-77,822.28-18,585.87

Finding the Fourth Proportional to 51,874.71, 77,822.28 and 18,585.87

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Solution

The fourth proportional to 51,874.71, 77,822.28 and 18,585.87 is: 27,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874.71 : 77,822.28 = 18,585.87 : x
  2. Step 2: Convert to fraction form
    51,874.71/77,822.28 = 18,585.87/x
  3. Step 3: Cross multiply
    51,874.71x = 77,822.28 × 18,585.87
  4. Step 4: Simplify right side
    51,874.71x = 1,446,394,779.18
  5. Step 5: Solve for x
    x = 1,446,394,779.18/51,874.71
  6. Step 6: Final answer
    x = 27,882.46

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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.