Home / 40,108.95-55,350.84-22,205.61

Finding the Fourth Proportional to 40,108.95, 55,350.84 and 22,205.61

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Solution

The fourth proportional to 40,108.95, 55,350.84 and 22,205.61 is: 30,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.95 : 55,350.84 = 22,205.61 : x
  2. Step 2: Convert to fraction form
    40,108.95/55,350.84 = 22,205.61/x
  3. Step 3: Cross multiply
    40,108.95x = 55,350.84 × 22,205.61
  4. Step 4: Simplify right side
    40,108.95x = 1,229,099,166.21
  5. Step 5: Solve for x
    x = 1,229,099,166.21/40,108.95
  6. Step 6: Final answer
    x = 30,644.01

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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.