Home / 43,981.42-66,007.77-21,793.90

Finding the Fourth Proportional to 43,981.42, 66,007.77 and 21,793.90

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Solution

The fourth proportional to 43,981.42, 66,007.77 and 21,793.90 is: 32,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.42 : 66,007.77 = 21,793.90 : x
  2. Step 2: Convert to fraction form
    43,981.42/66,007.77 = 21,793.90/x
  3. Step 3: Cross multiply
    43,981.42x = 66,007.77 × 21,793.90
  4. Step 4: Simplify right side
    43,981.42x = 1,438,566,738.60
  5. Step 5: Solve for x
    x = 1,438,566,738.60/43,981.42
  6. Step 6: Final answer
    x = 32,708.51

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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.