Home / 38,321.27-57,490.56-11,669.65

Finding the Fourth Proportional to 38,321.27, 57,490.56 and 11,669.65

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Solution

The fourth proportional to 38,321.27, 57,490.56 and 11,669.65 is: 17,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.27 : 57,490.56 = 11,669.65 : x
  2. Step 2: Convert to fraction form
    38,321.27/57,490.56 = 11,669.65/x
  3. Step 3: Cross multiply
    38,321.27x = 57,490.56 × 11,669.65
  4. Step 4: Simplify right side
    38,321.27x = 670,894,569.78
  5. Step 5: Solve for x
    x = 670,894,569.78/38,321.27
  6. Step 6: Final answer
    x = 17,507.10

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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.