Home / 38,146.32-57,175.16-14,438.78

Finding the Fourth Proportional to 38,146.32, 57,175.16 and 14,438.78

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Solution

The fourth proportional to 38,146.32, 57,175.16 and 14,438.78 is: 21,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.32 : 57,175.16 = 14,438.78 : x
  2. Step 2: Convert to fraction form
    38,146.32/57,175.16 = 14,438.78/x
  3. Step 3: Cross multiply
    38,146.32x = 57,175.16 × 14,438.78
  4. Step 4: Simplify right side
    38,146.32x = 825,539,556.70
  5. Step 5: Solve for x
    x = 825,539,556.70/38,146.32
  6. Step 6: Final answer
    x = 21,641.39

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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.