Home / 51,195.46-76,788-13,750.66

Finding the Fourth Proportional to 51,195.46, 76,788 and 13,750.66

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Solution

The fourth proportional to 51,195.46, 76,788 and 13,750.66 is: 20,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,195.46 : 76,788 = 13,750.66 : x
  2. Step 2: Convert to fraction form
    51,195.46/76,788 = 13,750.66/x
  3. Step 3: Cross multiply
    51,195.46x = 76,788 × 13,750.66
  4. Step 4: Simplify right side
    51,195.46x = 1,055,885,680.08
  5. Step 5: Solve for x
    x = 1,055,885,680.08/51,195.46
  6. Step 6: Final answer
    x = 20,624.60

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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.