Home / 38,260.24-57,391.92-11,965.20

Finding the Fourth Proportional to 38,260.24, 57,391.92 and 11,965.20

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Solution

The fourth proportional to 38,260.24, 57,391.92 and 11,965.20 is: 17,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,260.24 : 57,391.92 = 11,965.20 : x
  2. Step 2: Convert to fraction form
    38,260.24/57,391.92 = 11,965.20/x
  3. Step 3: Cross multiply
    38,260.24x = 57,391.92 × 11,965.20
  4. Step 4: Simplify right side
    38,260.24x = 686,705,801.18
  5. Step 5: Solve for x
    x = 686,705,801.18/38,260.24
  6. Step 6: Final answer
    x = 17,948.29

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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.