Home / 40,042.34-55,258.77-22,138.10

Finding the Fourth Proportional to 40,042.34, 55,258.77 and 22,138.10

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Solution

The fourth proportional to 40,042.34, 55,258.77 and 22,138.10 is: 30,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.34 : 55,258.77 = 22,138.10 : x
  2. Step 2: Convert to fraction form
    40,042.34/55,258.77 = 22,138.10/x
  3. Step 3: Cross multiply
    40,042.34x = 55,258.77 × 22,138.10
  4. Step 4: Simplify right side
    40,042.34x = 1,223,324,176.14
  5. Step 5: Solve for x
    x = 1,223,324,176.14/40,042.34
  6. Step 6: Final answer
    x = 30,550.77

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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.