Home / 29,124.10-43,620.52-20,397.97

Finding the Fourth Proportional to 29,124.10, 43,620.52 and 20,397.97

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Solution

The fourth proportional to 29,124.10, 43,620.52 and 20,397.97 is: 30,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.10 : 43,620.52 = 20,397.97 : x
  2. Step 2: Convert to fraction form
    29,124.10/43,620.52 = 20,397.97/x
  3. Step 3: Cross multiply
    29,124.10x = 43,620.52 × 20,397.97
  4. Step 4: Simplify right side
    29,124.10x = 889,770,100.12
  5. Step 5: Solve for x
    x = 889,770,100.12/29,124.10
  6. Step 6: Final answer
    x = 30,550.99

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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.