Home / 41,421.06-57,161.16-22,557.78

Finding the Fourth Proportional to 41,421.06, 57,161.16 and 22,557.78

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Solution

The fourth proportional to 41,421.06, 57,161.16 and 22,557.78 is: 31,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,421.06 : 57,161.16 = 22,557.78 : x
  2. Step 2: Convert to fraction form
    41,421.06/57,161.16 = 22,557.78/x
  3. Step 3: Cross multiply
    41,421.06x = 57,161.16 × 22,557.78
  4. Step 4: Simplify right side
    41,421.06x = 1,289,428,871.82
  5. Step 5: Solve for x
    x = 1,289,428,871.82/41,421.06
  6. Step 6: Final answer
    x = 31,129.79

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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.