Home / 47,414.10-65,428.83-29,508.54

Finding the Fourth Proportional to 47,414.10, 65,428.83 and 29,508.54

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Solution

The fourth proportional to 47,414.10, 65,428.83 and 29,508.54 is: 40,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,414.10 : 65,428.83 = 29,508.54 : x
  2. Step 2: Convert to fraction form
    47,414.10/65,428.83 = 29,508.54/x
  3. Step 3: Cross multiply
    47,414.10x = 65,428.83 × 29,508.54
  4. Step 4: Simplify right side
    47,414.10x = 1,930,709,247.21
  5. Step 5: Solve for x
    x = 1,930,709,247.21/47,414.10
  6. Step 6: Final answer
    x = 40,720.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.