Home / 39,934.96-55,110.78-22,029.90

Finding the Fourth Proportional to 39,934.96, 55,110.78 and 22,029.90

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Solution

The fourth proportional to 39,934.96, 55,110.78 and 22,029.90 is: 30,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.96 : 55,110.78 = 22,029.90 : x
  2. Step 2: Convert to fraction form
    39,934.96/55,110.78 = 22,029.90/x
  3. Step 3: Cross multiply
    39,934.96x = 55,110.78 × 22,029.90
  4. Step 4: Simplify right side
    39,934.96x = 1,214,084,972.32
  5. Step 5: Solve for x
    x = 1,214,084,972.32/39,934.96
  6. Step 6: Final answer
    x = 30,401.56

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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.