Home / 39,994.80-55,063.68-32,909.04

Finding the Fourth Proportional to 39,994.80, 55,063.68 and 32,909.04

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Solution

The fourth proportional to 39,994.80, 55,063.68 and 32,909.04 is: 45,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.80 : 55,063.68 = 32,909.04 : x
  2. Step 2: Convert to fraction form
    39,994.80/55,063.68 = 32,909.04/x
  3. Step 3: Cross multiply
    39,994.80x = 55,063.68 × 32,909.04
  4. Step 4: Simplify right side
    39,994.80x = 1,812,092,847.67
  5. Step 5: Solve for x
    x = 1,812,092,847.67/39,994.80
  6. Step 6: Final answer
    x = 45,308.21

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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.