Home / 38,642.65-57,969.42-12,341.53

Finding the Fourth Proportional to 38,642.65, 57,969.42 and 12,341.53

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Solution

The fourth proportional to 38,642.65, 57,969.42 and 12,341.53 is: 18,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642.65 : 57,969.42 = 12,341.53 : x
  2. Step 2: Convert to fraction form
    38,642.65/57,969.42 = 12,341.53/x
  3. Step 3: Cross multiply
    38,642.65x = 57,969.42 × 12,341.53
  4. Step 4: Simplify right side
    38,642.65x = 715,431,336.01
  5. Step 5: Solve for x
    x = 715,431,336.01/38,642.65
  6. Step 6: Final answer
    x = 18,514.03

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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.