Home / 32,112.20-44,325.12-18,680.90

Finding the Fourth Proportional to 32,112.20, 44,325.12 and 18,680.90

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Solution

The fourth proportional to 32,112.20, 44,325.12 and 18,680.90 is: 25,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.20 : 44,325.12 = 18,680.90 : x
  2. Step 2: Convert to fraction form
    32,112.20/44,325.12 = 18,680.90/x
  3. Step 3: Cross multiply
    32,112.20x = 44,325.12 × 18,680.90
  4. Step 4: Simplify right side
    32,112.20x = 828,033,134.21
  5. Step 5: Solve for x
    x = 828,033,134.21/32,112.20
  6. Step 6: Final answer
    x = 25,785.62

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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.