Home / 39,991.21-55,194.95-22,994.12

Finding the Fourth Proportional to 39,991.21, 55,194.95 and 22,994.12

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Solution

The fourth proportional to 39,991.21, 55,194.95 and 22,994.12 is: 31,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.21 : 55,194.95 = 22,994.12 : x
  2. Step 2: Convert to fraction form
    39,991.21/55,194.95 = 22,994.12/x
  3. Step 3: Cross multiply
    39,991.21x = 55,194.95 × 22,994.12
  4. Step 4: Simplify right side
    39,991.21x = 1,269,159,303.69
  5. Step 5: Solve for x
    x = 1,269,159,303.69/39,991.21
  6. Step 6: Final answer
    x = 31,735.96

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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.