Home / 51,214.51-76,833.17-15,680.81

Finding the Fourth Proportional to 51,214.51, 76,833.17 and 15,680.81

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Solution

The fourth proportional to 51,214.51, 76,833.17 and 15,680.81 is: 23,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,214.51 : 76,833.17 = 15,680.81 : x
  2. Step 2: Convert to fraction form
    51,214.51/76,833.17 = 15,680.81/x
  3. Step 3: Cross multiply
    51,214.51x = 76,833.17 × 15,680.81
  4. Step 4: Simplify right side
    51,214.51x = 1,204,806,168.97
  5. Step 5: Solve for x
    x = 1,204,806,168.97/51,214.51
  6. Step 6: Final answer
    x = 23,524.71

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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.