Home / 35,301.38-48,720.22-20,397.38

Finding the Fourth Proportional to 35,301.38, 48,720.22 and 20,397.38

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Solution

The fourth proportional to 35,301.38, 48,720.22 and 20,397.38 is: 28,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,301.38 : 48,720.22 = 20,397.38 : x
  2. Step 2: Convert to fraction form
    35,301.38/48,720.22 = 20,397.38/x
  3. Step 3: Cross multiply
    35,301.38x = 48,720.22 × 20,397.38
  4. Step 4: Simplify right side
    35,301.38x = 993,764,841.02
  5. Step 5: Solve for x
    x = 993,764,841.02/35,301.38
  6. Step 6: Final answer
    x = 28,150.88

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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.