Home / 33,489.78-46,218.24-22,139.57

Finding the Fourth Proportional to 33,489.78, 46,218.24 and 22,139.57

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Solution

The fourth proportional to 33,489.78, 46,218.24 and 22,139.57 is: 30,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,489.78 : 46,218.24 = 22,139.57 : x
  2. Step 2: Convert to fraction form
    33,489.78/46,218.24 = 22,139.57/x
  3. Step 3: Cross multiply
    33,489.78x = 46,218.24 × 22,139.57
  4. Step 4: Simplify right side
    33,489.78x = 1,023,251,728.67
  5. Step 5: Solve for x
    x = 1,023,251,728.67/33,489.78
  6. Step 6: Final answer
    x = 30,554.15

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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.