Home / 39,994.71-55,199.79-22,997.61

Finding the Fourth Proportional to 39,994.71, 55,199.79 and 22,997.61

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Solution

The fourth proportional to 39,994.71, 55,199.79 and 22,997.61 is: 31,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.71 : 55,199.79 = 22,997.61 : x
  2. Step 2: Convert to fraction form
    39,994.71/55,199.79 = 22,997.61/x
  3. Step 3: Cross multiply
    39,994.71x = 55,199.79 × 22,997.61
  4. Step 4: Simplify right side
    39,994.71x = 1,269,463,242.50
  5. Step 5: Solve for x
    x = 1,269,463,242.50/39,994.71
  6. Step 6: Final answer
    x = 31,740.78

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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.