Home / 51,201.18-76,836.33-17,921.52

Finding the Fourth Proportional to 51,201.18, 76,836.33 and 17,921.52

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Solution

The fourth proportional to 51,201.18, 76,836.33 and 17,921.52 is: 26,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.18 : 76,836.33 = 17,921.52 : x
  2. Step 2: Convert to fraction form
    51,201.18/76,836.33 = 17,921.52/x
  3. Step 3: Cross multiply
    51,201.18x = 76,836.33 × 17,921.52
  4. Step 4: Simplify right side
    51,201.18x = 1,377,023,824.82
  5. Step 5: Solve for x
    x = 1,377,023,824.82/51,201.18
  6. Step 6: Final answer
    x = 26,894.38

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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.