Home / 43,500.78-65,251.17-20,124.18

Finding the Fourth Proportional to 43,500.78, 65,251.17 and 20,124.18

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Solution

The fourth proportional to 43,500.78, 65,251.17 and 20,124.18 is: 30,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,500.78 : 65,251.17 = 20,124.18 : x
  2. Step 2: Convert to fraction form
    43,500.78/65,251.17 = 20,124.18/x
  3. Step 3: Cross multiply
    43,500.78x = 65,251.17 × 20,124.18
  4. Step 4: Simplify right side
    43,500.78x = 1,313,126,290.29
  5. Step 5: Solve for x
    x = 1,313,126,290.29/43,500.78
  6. Step 6: Final answer
    x = 30,186.27

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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.