Home / 40,087.20-55,316.36-22,181.75

Finding the Fourth Proportional to 40,087.20, 55,316.36 and 22,181.75

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Solution

The fourth proportional to 40,087.20, 55,316.36 and 22,181.75 is: 30,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087.20 : 55,316.36 = 22,181.75 : x
  2. Step 2: Convert to fraction form
    40,087.20/55,316.36 = 22,181.75/x
  3. Step 3: Cross multiply
    40,087.20x = 55,316.36 × 22,181.75
  4. Step 4: Simplify right side
    40,087.20x = 1,227,013,280.94
  5. Step 5: Solve for x
    x = 1,227,013,280.94/40,087.20
  6. Step 6: Final answer
    x = 30,608.61

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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.