Home / 38,340.03-57,491.82-13,377.06

Finding the Fourth Proportional to 38,340.03, 57,491.82 and 13,377.06

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Solution

The fourth proportional to 38,340.03, 57,491.82 and 13,377.06 is: 20,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.03 : 57,491.82 = 13,377.06 : x
  2. Step 2: Convert to fraction form
    38,340.03/57,491.82 = 13,377.06/x
  3. Step 3: Cross multiply
    38,340.03x = 57,491.82 × 13,377.06
  4. Step 4: Simplify right side
    38,340.03x = 769,071,525.65
  5. Step 5: Solve for x
    x = 769,071,525.65/38,340.03
  6. Step 6: Final answer
    x = 20,059.23

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1.5x scale

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.