Home / 40,164.50-55,426.30-22,015.08

Finding the Fourth Proportional to 40,164.50, 55,426.30 and 22,015.08

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Solution

The fourth proportional to 40,164.50, 55,426.30 and 22,015.08 is: 30,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.50 : 55,426.30 = 22,015.08 : x
  2. Step 2: Convert to fraction form
    40,164.50/55,426.30 = 22,015.08/x
  3. Step 3: Cross multiply
    40,164.50x = 55,426.30 × 22,015.08
  4. Step 4: Simplify right side
    40,164.50x = 1,220,214,373.57
  5. Step 5: Solve for x
    x = 1,220,214,373.57/40,164.50
  6. Step 6: Final answer
    x = 30,380.42

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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.