Home / 32,138.28-48,207.78-11,347.20

Finding the Fourth Proportional to 32,138.28, 48,207.78 and 11,347.20

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Solution

The fourth proportional to 32,138.28, 48,207.78 and 11,347.20 is: 17,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.28 : 48,207.78 = 11,347.20 : x
  2. Step 2: Convert to fraction form
    32,138.28/48,207.78 = 11,347.20/x
  3. Step 3: Cross multiply
    32,138.28x = 48,207.78 × 11,347.20
  4. Step 4: Simplify right side
    32,138.28x = 547,023,321.22
  5. Step 5: Solve for x
    x = 547,023,321.22/32,138.28
  6. Step 6: Final answer
    x = 17,020.93

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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.