Home / 32,388.20-44,695.80-18,778.88

Finding the Fourth Proportional to 32,388.20, 44,695.80 and 18,778.88

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Solution

The fourth proportional to 32,388.20, 44,695.80 and 18,778.88 is: 25,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.20 : 44,695.80 = 18,778.88 : x
  2. Step 2: Convert to fraction form
    32,388.20/44,695.80 = 18,778.88/x
  3. Step 3: Cross multiply
    32,388.20x = 44,695.80 × 18,778.88
  4. Step 4: Simplify right side
    32,388.20x = 839,337,064.70
  5. Step 5: Solve for x
    x = 839,337,064.70/32,388.20
  6. Step 6: Final answer
    x = 25,914.90

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1.5x scale

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.