Home / 32,491.20-48,738.51-9,119.46

Finding the Fourth Proportional to 32,491.20, 48,738.51 and 9,119.46

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Solution

The fourth proportional to 32,491.20, 48,738.51 and 9,119.46 is: 13,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.20 : 48,738.51 = 9,119.46 : x
  2. Step 2: Convert to fraction form
    32,491.20/48,738.51 = 9,119.46/x
  3. Step 3: Cross multiply
    32,491.20x = 48,738.51 × 9,119.46
  4. Step 4: Simplify right side
    32,491.20x = 444,468,648.71
  5. Step 5: Solve for x
    x = 444,468,648.71/32,491.20
  6. Step 6: Final answer
    x = 13,679.66

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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.