Home / 51,187.57-76,792.29-17,908.72

Finding the Fourth Proportional to 51,187.57, 76,792.29 and 17,908.72

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Solution

The fourth proportional to 51,187.57, 76,792.29 and 17,908.72 is: 26,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,187.57 : 76,792.29 = 17,908.72 : x
  2. Step 2: Convert to fraction form
    51,187.57/76,792.29 = 17,908.72/x
  3. Step 3: Cross multiply
    51,187.57x = 76,792.29 × 17,908.72
  4. Step 4: Simplify right side
    51,187.57x = 1,375,251,530.23
  5. Step 5: Solve for x
    x = 1,375,251,530.23/51,187.57
  6. Step 6: Final answer
    x = 26,866.90

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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.