Home / 32,230.72-48,348.40-13,491.90

Finding the Fourth Proportional to 32,230.72, 48,348.40 and 13,491.90

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Solution

The fourth proportional to 32,230.72, 48,348.40 and 13,491.90 is: 20,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,230.72 : 48,348.40 = 13,491.90 : x
  2. Step 2: Convert to fraction form
    32,230.72/48,348.40 = 13,491.90/x
  3. Step 3: Cross multiply
    32,230.72x = 48,348.40 × 13,491.90
  4. Step 4: Simplify right side
    32,230.72x = 652,311,777.96
  5. Step 5: Solve for x
    x = 652,311,777.96/32,230.72
  6. Step 6: Final answer
    x = 20,238.82

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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.