Home / 20,375.43-30,499.17-14,013.18

Finding the Fourth Proportional to 20,375.43, 30,499.17 and 14,013.18

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Solution

The fourth proportional to 20,375.43, 30,499.17 and 14,013.18 is: 20,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375.43 : 30,499.17 = 14,013.18 : x
  2. Step 2: Convert to fraction form
    20,375.43/30,499.17 = 14,013.18/x
  3. Step 3: Cross multiply
    20,375.43x = 30,499.17 × 14,013.18
  4. Step 4: Simplify right side
    20,375.43x = 427,390,359.06
  5. Step 5: Solve for x
    x = 427,390,359.06/20,375.43
  6. Step 6: Final answer
    x = 20,975.77

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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.