Home / 40,046.36-55,259.20-22,138.96

Finding the Fourth Proportional to 40,046.36, 55,259.20 and 22,138.96

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Solution

The fourth proportional to 40,046.36, 55,259.20 and 22,138.96 is: 30,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.36 : 55,259.20 = 22,138.96 : x
  2. Step 2: Convert to fraction form
    40,046.36/55,259.20 = 22,138.96/x
  3. Step 3: Cross multiply
    40,046.36x = 55,259.20 × 22,138.96
  4. Step 4: Simplify right side
    40,046.36x = 1,223,381,218.43
  5. Step 5: Solve for x
    x = 1,223,381,218.43/40,046.36
  6. Step 6: Final answer
    x = 30,549.12

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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.