Home / 38,245.74-57,378.99-11,590.65

Finding the Fourth Proportional to 38,245.74, 57,378.99 and 11,590.65

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Solution

The fourth proportional to 38,245.74, 57,378.99 and 11,590.65 is: 17,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.74 : 57,378.99 = 11,590.65 : x
  2. Step 2: Convert to fraction form
    38,245.74/57,378.99 = 11,590.65/x
  3. Step 3: Cross multiply
    38,245.74x = 57,378.99 × 11,590.65
  4. Step 4: Simplify right side
    38,245.74x = 665,059,761.47
  5. Step 5: Solve for x
    x = 665,059,761.47/38,245.74
  6. Step 6: Final answer
    x = 17,389.12

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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.