Home / 35,399.64-48,851.67-20,293.20

Finding the Fourth Proportional to 35,399.64, 48,851.67 and 20,293.20

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Solution

The fourth proportional to 35,399.64, 48,851.67 and 20,293.20 is: 28,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,399.64 : 48,851.67 = 20,293.20 : x
  2. Step 2: Convert to fraction form
    35,399.64/48,851.67 = 20,293.20/x
  3. Step 3: Cross multiply
    35,399.64x = 48,851.67 × 20,293.20
  4. Step 4: Simplify right side
    35,399.64x = 991,356,709.64
  5. Step 5: Solve for x
    x = 991,356,709.64/35,399.64
  6. Step 6: Final answer
    x = 28,004.71

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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.