Home / 51,863.00-77,819.90-18,585.63

Finding the Fourth Proportional to 51,863.00, 77,819.90 and 18,585.63

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Solution

The fourth proportional to 51,863.00, 77,819.90 and 18,585.63 is: 27,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,863.00 : 77,819.90 = 18,585.63 : x
  2. Step 2: Convert to fraction form
    51,863.00/77,819.90 = 18,585.63/x
  3. Step 3: Cross multiply
    51,863.00x = 77,819.90 × 18,585.63
  4. Step 4: Simplify right side
    51,863.00x = 1,446,331,775.11
  5. Step 5: Solve for x
    x = 1,446,331,775.11/51,863.00
  6. Step 6: Final answer
    x = 27,887.55

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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.