Home / 43,414.16-65,120.10-13,833.80

Finding the Fourth Proportional to 43,414.16, 65,120.10 and 13,833.80

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Solution

The fourth proportional to 43,414.16, 65,120.10 and 13,833.80 is: 20,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,414.16 : 65,120.10 = 13,833.80 : x
  2. Step 2: Convert to fraction form
    43,414.16/65,120.10 = 13,833.80/x
  3. Step 3: Cross multiply
    43,414.16x = 65,120.10 × 13,833.80
  4. Step 4: Simplify right side
    43,414.16x = 900,858,439.38
  5. Step 5: Solve for x
    x = 900,858,439.38/43,414.16
  6. Step 6: Final answer
    x = 20,750.34

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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.