Home / 20,035.88-30,052.38-8,943.56

Finding the Fourth Proportional to 20,035.88, 30,052.38 and 8,943.56

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Solution

The fourth proportional to 20,035.88, 30,052.38 and 8,943.56 is: 13,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.88 : 30,052.38 = 8,943.56 : x
  2. Step 2: Convert to fraction form
    20,035.88/30,052.38 = 8,943.56/x
  3. Step 3: Cross multiply
    20,035.88x = 30,052.38 × 8,943.56
  4. Step 4: Simplify right side
    20,035.88x = 268,775,263.67
  5. Step 5: Solve for x
    x = 268,775,263.67/20,035.88
  6. Step 6: Final answer
    x = 13,414.70

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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.