Home / 40,017.66-55,221.45-22,112.96

Finding the Fourth Proportional to 40,017.66, 55,221.45 and 22,112.96

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Solution

The fourth proportional to 40,017.66, 55,221.45 and 22,112.96 is: 30,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.66 : 55,221.45 = 22,112.96 : x
  2. Step 2: Convert to fraction form
    40,017.66/55,221.45 = 22,112.96/x
  3. Step 3: Cross multiply
    40,017.66x = 55,221.45 × 22,112.96
  4. Step 4: Simplify right side
    40,017.66x = 1,221,109,438.88
  5. Step 5: Solve for x
    x = 1,221,109,438.88/40,017.66
  6. Step 6: Final answer
    x = 30,514.26

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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.