Home / 32,138.20-48,207.30-31,482.10

Finding the Fourth Proportional to 32,138.20, 48,207.30 and 31,482.10

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Solution

The fourth proportional to 32,138.20, 48,207.30 and 31,482.10 is: 47,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.20 : 48,207.30 = 31,482.10 : x
  2. Step 2: Convert to fraction form
    32,138.20/48,207.30 = 31,482.10/x
  3. Step 3: Cross multiply
    32,138.20x = 48,207.30 × 31,482.10
  4. Step 4: Simplify right side
    32,138.20x = 1,517,667,039.33
  5. Step 5: Solve for x
    x = 1,517,667,039.33/32,138.20
  6. Step 6: Final answer
    x = 47,223.15

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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.