Home / 45,348.53-67,999.47-20,367.14

Finding the Fourth Proportional to 45,348.53, 67,999.47 and 20,367.14

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Solution

The fourth proportional to 45,348.53, 67,999.47 and 20,367.14 is: 30,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.53 : 67,999.47 = 20,367.14 : x
  2. Step 2: Convert to fraction form
    45,348.53/67,999.47 = 20,367.14/x
  3. Step 3: Cross multiply
    45,348.53x = 67,999.47 × 20,367.14
  4. Step 4: Simplify right side
    45,348.53x = 1,384,954,725.42
  5. Step 5: Solve for x
    x = 1,384,954,725.42/45,348.53
  6. Step 6: Final answer
    x = 30,540.23

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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.