Home / 51,306.59-76,971.42-18,028.95

Finding the Fourth Proportional to 51,306.59, 76,971.42 and 18,028.95

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Solution

The fourth proportional to 51,306.59, 76,971.42 and 18,028.95 is: 27,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.59 : 76,971.42 = 18,028.95 : x
  2. Step 2: Convert to fraction form
    51,306.59/76,971.42 = 18,028.95/x
  3. Step 3: Cross multiply
    51,306.59x = 76,971.42 × 18,028.95
  4. Step 4: Simplify right side
    51,306.59x = 1,387,713,882.61
  5. Step 5: Solve for x
    x = 1,387,713,882.61/51,306.59
  6. Step 6: Final answer
    x = 27,047.48

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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.