Home / 40,347.07-55,680.29-22,198.54

Finding the Fourth Proportional to 40,347.07, 55,680.29 and 22,198.54

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Solution

The fourth proportional to 40,347.07, 55,680.29 and 22,198.54 is: 30,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.07 : 55,680.29 = 22,198.54 : x
  2. Step 2: Convert to fraction form
    40,347.07/55,680.29 = 22,198.54/x
  3. Step 3: Cross multiply
    40,347.07x = 55,680.29 × 22,198.54
  4. Step 4: Simplify right side
    40,347.07x = 1,236,021,144.78
  5. Step 5: Solve for x
    x = 1,236,021,144.78/40,347.07
  6. Step 6: Final answer
    x = 30,634.72

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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.