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Finding the Fourth Proportional to 22,610.91, 33,751.69 and 20,943.33

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Solution

The fourth proportional to 22,610.91, 33,751.69 and 20,943.33 is: 31,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.91 : 33,751.69 = 20,943.33 : x
  2. Step 2: Convert to fraction form
    22,610.91/33,751.69 = 20,943.33/x
  3. Step 3: Cross multiply
    22,610.91x = 33,751.69 × 20,943.33
  4. Step 4: Simplify right side
    22,610.91x = 706,872,602.80
  5. Step 5: Solve for x
    x = 706,872,602.80/22,610.91
  6. Step 6: Final answer
    x = 31,262.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.