Home / 38,433.26-57,651.19-13,490.69

Finding the Fourth Proportional to 38,433.26, 57,651.19 and 13,490.69

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Solution

The fourth proportional to 38,433.26, 57,651.19 and 13,490.69 is: 20,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433.26 : 57,651.19 = 13,490.69 : x
  2. Step 2: Convert to fraction form
    38,433.26/57,651.19 = 13,490.69/x
  3. Step 3: Cross multiply
    38,433.26x = 57,651.19 × 13,490.69
  4. Step 4: Simplify right side
    38,433.26x = 777,754,010.44
  5. Step 5: Solve for x
    x = 777,754,010.44/38,433.26
  6. Step 6: Final answer
    x = 20,236.48

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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.