Home / 37,447.20-51,677.30-20,451.17

Finding the Fourth Proportional to 37,447.20, 51,677.30 and 20,451.17

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Solution

The fourth proportional to 37,447.20, 51,677.30 and 20,451.17 is: 28,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,447.20 : 51,677.30 = 20,451.17 : x
  2. Step 2: Convert to fraction form
    37,447.20/51,677.30 = 20,451.17/x
  3. Step 3: Cross multiply
    37,447.20x = 51,677.30 × 20,451.17
  4. Step 4: Simplify right side
    37,447.20x = 1,056,861,247.44
  5. Step 5: Solve for x
    x = 1,056,861,247.44/37,447.20
  6. Step 6: Final answer
    x = 28,222.70

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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.