Home / 32,491.24-48,728.46-12,769.90

Finding the Fourth Proportional to 32,491.24, 48,728.46 and 12,769.90

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Solution

The fourth proportional to 32,491.24, 48,728.46 and 12,769.90 is: 19,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.24 : 48,728.46 = 12,769.90 : x
  2. Step 2: Convert to fraction form
    32,491.24/48,728.46 = 12,769.90/x
  3. Step 3: Cross multiply
    32,491.24x = 48,728.46 × 12,769.90
  4. Step 4: Simplify right side
    32,491.24x = 622,257,561.35
  5. Step 5: Solve for x
    x = 622,257,561.35/32,491.24
  6. Step 6: Final answer
    x = 19,151.55

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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.