Home / 32,211.71-48,331.95-12,491.81

Finding the Fourth Proportional to 32,211.71, 48,331.95 and 12,491.81

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Solution

The fourth proportional to 32,211.71, 48,331.95 and 12,491.81 is: 18,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,211.71 : 48,331.95 = 12,491.81 : x
  2. Step 2: Convert to fraction form
    32,211.71/48,331.95 = 12,491.81/x
  3. Step 3: Cross multiply
    32,211.71x = 48,331.95 × 12,491.81
  4. Step 4: Simplify right side
    32,211.71x = 603,753,536.33
  5. Step 5: Solve for x
    x = 603,753,536.33/32,211.71
  6. Step 6: Final answer
    x = 18,743.29

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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.