Home / 43,039.62-64,565.55-20,834.73

Finding the Fourth Proportional to 43,039.62, 64,565.55 and 20,834.73

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Solution

The fourth proportional to 43,039.62, 64,565.55 and 20,834.73 is: 31,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.62 : 64,565.55 = 20,834.73 : x
  2. Step 2: Convert to fraction form
    43,039.62/64,565.55 = 20,834.73/x
  3. Step 3: Cross multiply
    43,039.62x = 64,565.55 × 20,834.73
  4. Step 4: Simplify right side
    43,039.62x = 1,345,205,801.55
  5. Step 5: Solve for x
    x = 1,345,205,801.55/43,039.62
  6. Step 6: Final answer
    x = 31,255.06

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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.