Home / 50,431.17-75,644.33-12,480.29

Finding the Fourth Proportional to 50,431.17, 75,644.33 and 12,480.29

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Solution

The fourth proportional to 50,431.17, 75,644.33 and 12,480.29 is: 18,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,431.17 : 75,644.33 = 12,480.29 : x
  2. Step 2: Convert to fraction form
    50,431.17/75,644.33 = 12,480.29/x
  3. Step 3: Cross multiply
    50,431.17x = 75,644.33 × 12,480.29
  4. Step 4: Simplify right side
    50,431.17x = 944,063,175.26
  5. Step 5: Solve for x
    x = 944,063,175.26/50,431.17
  6. Step 6: Final answer
    x = 18,719.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.