Home / 40,220.78-55,512.77-23,227.79

Finding the Fourth Proportional to 40,220.78, 55,512.77 and 23,227.79

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Solution

The fourth proportional to 40,220.78, 55,512.77 and 23,227.79 is: 32,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.78 : 55,512.77 = 23,227.79 : x
  2. Step 2: Convert to fraction form
    40,220.78/55,512.77 = 23,227.79/x
  3. Step 3: Cross multiply
    40,220.78x = 55,512.77 × 23,227.79
  4. Step 4: Simplify right side
    40,220.78x = 1,289,438,570.18
  5. Step 5: Solve for x
    x = 1,289,438,570.18/40,220.78
  6. Step 6: Final answer
    x = 32,059.02

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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.