Home / 32,638.96-45,040.92-18,491.44

Finding the Fourth Proportional to 32,638.96, 45,040.92 and 18,491.44

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Solution

The fourth proportional to 32,638.96, 45,040.92 and 18,491.44 is: 25,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.96 : 45,040.92 = 18,491.44 : x
  2. Step 2: Convert to fraction form
    32,638.96/45,040.92 = 18,491.44/x
  3. Step 3: Cross multiply
    32,638.96x = 45,040.92 × 18,491.44
  4. Step 4: Simplify right side
    32,638.96x = 832,871,469.72
  5. Step 5: Solve for x
    x = 832,871,469.72/32,638.96
  6. Step 6: Final answer
    x = 25,517.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.