Home / 45,122.60-67,682.39-21,447.18

Finding the Fourth Proportional to 45,122.60, 67,682.39 and 21,447.18

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Solution

The fourth proportional to 45,122.60, 67,682.39 and 21,447.18 is: 32,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,122.60 : 67,682.39 = 21,447.18 : x
  2. Step 2: Convert to fraction form
    45,122.60/67,682.39 = 21,447.18/x
  3. Step 3: Cross multiply
    45,122.60x = 67,682.39 × 21,447.18
  4. Step 4: Simplify right side
    45,122.60x = 1,451,596,293.92
  5. Step 5: Solve for x
    x = 1,451,596,293.92/45,122.60
  6. Step 6: Final answer
    x = 32,170.05

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1.5x scale

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.