Home / 40,165.74-55,427.21-22,261.05

Finding the Fourth Proportional to 40,165.74, 55,427.21 and 22,261.05

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Solution

The fourth proportional to 40,165.74, 55,427.21 and 22,261.05 is: 30,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.74 : 55,427.21 = 22,261.05 : x
  2. Step 2: Convert to fraction form
    40,165.74/55,427.21 = 22,261.05/x
  3. Step 3: Cross multiply
    40,165.74x = 55,427.21 × 22,261.05
  4. Step 4: Simplify right side
    40,165.74x = 1,233,867,504.73
  5. Step 5: Solve for x
    x = 1,233,867,504.73/40,165.74
  6. Step 6: Final answer
    x = 30,719.41

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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.