Home / 34,672.49-47,832.60-20,517.14

Finding the Fourth Proportional to 34,672.49, 47,832.60 and 20,517.14

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Solution

The fourth proportional to 34,672.49, 47,832.60 and 20,517.14 is: 28,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,672.49 : 47,832.60 = 20,517.14 : x
  2. Step 2: Convert to fraction form
    34,672.49/47,832.60 = 20,517.14/x
  3. Step 3: Cross multiply
    34,672.49x = 47,832.60 × 20,517.14
  4. Step 4: Simplify right side
    34,672.49x = 981,388,150.76
  5. Step 5: Solve for x
    x = 981,388,150.76/34,672.49
  6. Step 6: Final answer
    x = 28,304.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.