Home / 38,451.26-57,671.12-31,919.42

Finding the Fourth Proportional to 38,451.26, 57,671.12 and 31,919.42

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Solution

The fourth proportional to 38,451.26, 57,671.12 and 31,919.42 is: 47,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.26 : 57,671.12 = 31,919.42 : x
  2. Step 2: Convert to fraction form
    38,451.26/57,671.12 = 31,919.42/x
  3. Step 3: Cross multiply
    38,451.26x = 57,671.12 × 31,919.42
  4. Step 4: Simplify right side
    38,451.26x = 1,840,828,492.59
  5. Step 5: Solve for x
    x = 1,840,828,492.59/38,451.26
  6. Step 6: Final answer
    x = 47,874.34

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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.