Home / 40,171.96-55,431.36-22,266.88

Finding the Fourth Proportional to 40,171.96, 55,431.36 and 22,266.88

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Solution

The fourth proportional to 40,171.96, 55,431.36 and 22,266.88 is: 30,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.96 : 55,431.36 = 22,266.88 : x
  2. Step 2: Convert to fraction form
    40,171.96/55,431.36 = 22,266.88/x
  3. Step 3: Cross multiply
    40,171.96x = 55,431.36 × 22,266.88
  4. Step 4: Simplify right side
    40,171.96x = 1,234,283,441.36
  5. Step 5: Solve for x
    x = 1,234,283,441.36/40,171.96
  6. Step 6: Final answer
    x = 30,725.00

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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.