Home / 32,685.36-45,103.20-18,540.48

Finding the Fourth Proportional to 32,685.36, 45,103.20 and 18,540.48

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Solution

The fourth proportional to 32,685.36, 45,103.20 and 18,540.48 is: 25,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.36 : 45,103.20 = 18,540.48 : x
  2. Step 2: Convert to fraction form
    32,685.36/45,103.20 = 18,540.48/x
  3. Step 3: Cross multiply
    32,685.36x = 45,103.20 × 18,540.48
  4. Step 4: Simplify right side
    32,685.36x = 836,234,977.54
  5. Step 5: Solve for x
    x = 836,234,977.54/32,685.36
  6. Step 6: Final answer
    x = 25,584.39

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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.