Home / 32,976.22-45,508.03-20,236.44

Finding the Fourth Proportional to 32,976.22, 45,508.03 and 20,236.44

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Solution

The fourth proportional to 32,976.22, 45,508.03 and 20,236.44 is: 27,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.22 : 45,508.03 = 20,236.44 : x
  2. Step 2: Convert to fraction form
    32,976.22/45,508.03 = 20,236.44/x
  3. Step 3: Cross multiply
    32,976.22x = 45,508.03 × 20,236.44
  4. Step 4: Simplify right side
    32,976.22x = 920,920,518.61
  5. Step 5: Solve for x
    x = 920,920,518.61/32,976.22
  6. Step 6: Final answer
    x = 27,926.81

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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.