Home / 40,199.70-55,476.36-22,049.28

Finding the Fourth Proportional to 40,199.70, 55,476.36 and 22,049.28

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Solution

The fourth proportional to 40,199.70, 55,476.36 and 22,049.28 is: 30,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.70 : 55,476.36 = 22,049.28 : x
  2. Step 2: Convert to fraction form
    40,199.70/55,476.36 = 22,049.28/x
  3. Step 3: Cross multiply
    40,199.70x = 55,476.36 × 22,049.28
  4. Step 4: Simplify right side
    40,199.70x = 1,223,213,795.02
  5. Step 5: Solve for x
    x = 1,223,213,795.02/40,199.70
  6. Step 6: Final answer
    x = 30,428.43

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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.