Home / 34,472.16-51,708.24-18,881.28

Finding the Fourth Proportional to 34,472.16, 51,708.24 and 18,881.28

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Solution

The fourth proportional to 34,472.16, 51,708.24 and 18,881.28 is: 28,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,472.16 : 51,708.24 = 18,881.28 : x
  2. Step 2: Convert to fraction form
    34,472.16/51,708.24 = 18,881.28/x
  3. Step 3: Cross multiply
    34,472.16x = 51,708.24 × 18,881.28
  4. Step 4: Simplify right side
    34,472.16x = 976,317,757.75
  5. Step 5: Solve for x
    x = 976,317,757.75/34,472.16
  6. Step 6: Final answer
    x = 28,321.92

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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.