Home / 40,321.79-55,645.49-22,173.89

Finding the Fourth Proportional to 40,321.79, 55,645.49 and 22,173.89

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Solution

The fourth proportional to 40,321.79, 55,645.49 and 22,173.89 is: 30,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.79 : 55,645.49 = 22,173.89 : x
  2. Step 2: Convert to fraction form
    40,321.79/55,645.49 = 22,173.89/x
  3. Step 3: Cross multiply
    40,321.79x = 55,645.49 × 22,173.89
  4. Step 4: Simplify right side
    40,321.79x = 1,233,876,585.16
  5. Step 5: Solve for x
    x = 1,233,876,585.16/40,321.79
  6. Step 6: Final answer
    x = 30,600.74

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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.