Home / 51,129.39-76,729.12-17,849.46

Finding the Fourth Proportional to 51,129.39, 76,729.12 and 17,849.46

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Solution

The fourth proportional to 51,129.39, 76,729.12 and 17,849.46 is: 26,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.39 : 76,729.12 = 17,849.46 : x
  2. Step 2: Convert to fraction form
    51,129.39/76,729.12 = 17,849.46/x
  3. Step 3: Cross multiply
    51,129.39x = 76,729.12 × 17,849.46
  4. Step 4: Simplify right side
    51,129.39x = 1,369,573,358.28
  5. Step 5: Solve for x
    x = 1,369,573,358.28/51,129.39
  6. Step 6: Final answer
    x = 26,786.42

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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.