Home / 29,138.38-43,701.24-10,419.72

Finding the Fourth Proportional to 29,138.38, 43,701.24 and 10,419.72

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Solution

The fourth proportional to 29,138.38, 43,701.24 and 10,419.72 is: 15,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.38 : 43,701.24 = 10,419.72 : x
  2. Step 2: Convert to fraction form
    29,138.38/43,701.24 = 10,419.72/x
  3. Step 3: Cross multiply
    29,138.38x = 43,701.24 × 10,419.72
  4. Step 4: Simplify right side
    29,138.38x = 455,354,684.45
  5. Step 5: Solve for x
    x = 455,354,684.45/29,138.38
  6. Step 6: Final answer
    x = 15,627.32

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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.