Home / 51,377.28-77,065.23-13,940.85

Finding the Fourth Proportional to 51,377.28, 77,065.23 and 13,940.85

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Solution

The fourth proportional to 51,377.28, 77,065.23 and 13,940.85 is: 20,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.28 : 77,065.23 = 13,940.85 : x
  2. Step 2: Convert to fraction form
    51,377.28/77,065.23 = 13,940.85/x
  3. Step 3: Cross multiply
    51,377.28x = 77,065.23 × 13,940.85
  4. Step 4: Simplify right side
    51,377.28x = 1,074,354,811.65
  5. Step 5: Solve for x
    x = 1,074,354,811.65/51,377.28
  6. Step 6: Final answer
    x = 20,911.09

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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.