Home / 38,135.26-57,193.78-13,176.20

Finding the Fourth Proportional to 38,135.26, 57,193.78 and 13,176.20

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Solution

The fourth proportional to 38,135.26, 57,193.78 and 13,176.20 is: 19,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.26 : 57,193.78 = 13,176.20 : x
  2. Step 2: Convert to fraction form
    38,135.26/57,193.78 = 13,176.20/x
  3. Step 3: Cross multiply
    38,135.26x = 57,193.78 × 13,176.20
  4. Step 4: Simplify right side
    38,135.26x = 753,596,684.04
  5. Step 5: Solve for x
    x = 753,596,684.04/38,135.26
  6. Step 6: Final answer
    x = 19,761.15

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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.