Home / 43,850.32-65,785.20-20,464

Finding the Fourth Proportional to 43,850.32, 65,785.20 and 20,464

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Solution

The fourth proportional to 43,850.32, 65,785.20 and 20,464 is: 30,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.32 : 65,785.20 = 20,464 : x
  2. Step 2: Convert to fraction form
    43,850.32/65,785.20 = 20,464/x
  3. Step 3: Cross multiply
    43,850.32x = 65,785.20 × 20,464
  4. Step 4: Simplify right side
    43,850.32x = 1,346,228,332.80
  5. Step 5: Solve for x
    x = 1,346,228,332.80/43,850.32
  6. Step 6: Final answer
    x = 30,700.54

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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.