Home / 51,191.73-76,788.81-13,751.85

Finding the Fourth Proportional to 51,191.73, 76,788.81 and 13,751.85

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Solution

The fourth proportional to 51,191.73, 76,788.81 and 13,751.85 is: 20,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.73 : 76,788.81 = 13,751.85 : x
  2. Step 2: Convert to fraction form
    51,191.73/76,788.81 = 13,751.85/x
  3. Step 3: Cross multiply
    51,191.73x = 76,788.81 × 13,751.85
  4. Step 4: Simplify right side
    51,191.73x = 1,055,988,196.80
  5. Step 5: Solve for x
    x = 1,055,988,196.80/51,191.73
  6. Step 6: Final answer
    x = 20,628.10

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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.