Home / 29,023.12-43,516.68-13,420.72

Finding the Fourth Proportional to 29,023.12, 43,516.68 and 13,420.72

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Solution

The fourth proportional to 29,023.12, 43,516.68 and 13,420.72 is: 20,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.12 : 43,516.68 = 13,420.72 : x
  2. Step 2: Convert to fraction form
    29,023.12/43,516.68 = 13,420.72/x
  3. Step 3: Cross multiply
    29,023.12x = 43,516.68 × 13,420.72
  4. Step 4: Simplify right side
    29,023.12x = 584,025,177.61
  5. Step 5: Solve for x
    x = 584,025,177.61/29,023.12
  6. Step 6: Final answer
    x = 20,122.76

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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.