Home / 40,042.15-55,259.19-22,137.43

Finding the Fourth Proportional to 40,042.15, 55,259.19 and 22,137.43

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Solution

The fourth proportional to 40,042.15, 55,259.19 and 22,137.43 is: 30,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.15 : 55,259.19 = 22,137.43 : x
  2. Step 2: Convert to fraction form
    40,042.15/55,259.19 = 22,137.43/x
  3. Step 3: Cross multiply
    40,042.15x = 55,259.19 × 22,137.43
  4. Step 4: Simplify right side
    40,042.15x = 1,223,296,450.48
  5. Step 5: Solve for x
    x = 1,223,296,450.48/40,042.15
  6. Step 6: Final answer
    x = 30,550.22

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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.