Home / 51,308.59-76,974.42-18,030.95

Finding the Fourth Proportional to 51,308.59, 76,974.42 and 18,030.95

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Solution

The fourth proportional to 51,308.59, 76,974.42 and 18,030.95 is: 27,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.59 : 76,974.42 = 18,030.95 : x
  2. Step 2: Convert to fraction form
    51,308.59/76,974.42 = 18,030.95/x
  3. Step 3: Cross multiply
    51,308.59x = 76,974.42 × 18,030.95
  4. Step 4: Simplify right side
    51,308.59x = 1,387,921,918.30
  5. Step 5: Solve for x
    x = 1,387,921,918.30/51,308.59
  6. Step 6: Final answer
    x = 27,050.48

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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.