Home / 40,104.95-55,345.32-22,201.61

Finding the Fourth Proportional to 40,104.95, 55,345.32 and 22,201.61

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Solution

The fourth proportional to 40,104.95, 55,345.32 and 22,201.61 is: 30,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104.95 : 55,345.32 = 22,201.61 : x
  2. Step 2: Convert to fraction form
    40,104.95/55,345.32 = 22,201.61/x
  3. Step 3: Cross multiply
    40,104.95x = 55,345.32 × 22,201.61
  4. Step 4: Simplify right side
    40,104.95x = 1,228,755,209.97
  5. Step 5: Solve for x
    x = 1,228,755,209.97/40,104.95
  6. Step 6: Final answer
    x = 30,638.49

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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.