Home / 20,034.72-30,042.90-10,672.30

Finding the Fourth Proportional to 20,034.72, 30,042.90 and 10,672.30

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Solution

The fourth proportional to 20,034.72, 30,042.90 and 10,672.30 is: 16,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.72 : 30,042.90 = 10,672.30 : x
  2. Step 2: Convert to fraction form
    20,034.72/30,042.90 = 10,672.30/x
  3. Step 3: Cross multiply
    20,034.72x = 30,042.90 × 10,672.30
  4. Step 4: Simplify right side
    20,034.72x = 320,626,841.67
  5. Step 5: Solve for x
    x = 320,626,841.67/20,034.72
  6. Step 6: Final answer
    x = 16,003.56

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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.