Home / 40,044.15-55,259.96-22,138.70

Finding the Fourth Proportional to 40,044.15, 55,259.96 and 22,138.70

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Solution

The fourth proportional to 40,044.15, 55,259.96 and 22,138.70 is: 30,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.15 : 55,259.96 = 22,138.70 : x
  2. Step 2: Convert to fraction form
    40,044.15/55,259.96 = 22,138.70/x
  3. Step 3: Cross multiply
    40,044.15x = 55,259.96 × 22,138.70
  4. Step 4: Simplify right side
    40,044.15x = 1,223,383,289.46
  5. Step 5: Solve for x
    x = 1,223,383,289.46/40,044.15
  6. Step 6: Final answer
    x = 30,550.86

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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.