Home / 40,138.31-55,388.43-22,232.27

Finding the Fourth Proportional to 40,138.31, 55,388.43 and 22,232.27

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Solution

The fourth proportional to 40,138.31, 55,388.43 and 22,232.27 is: 30,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.31 : 55,388.43 = 22,232.27 : x
  2. Step 2: Convert to fraction form
    40,138.31/55,388.43 = 22,232.27/x
  3. Step 3: Cross multiply
    40,138.31x = 55,388.43 × 22,232.27
  4. Step 4: Simplify right side
    40,138.31x = 1,231,410,530.64
  5. Step 5: Solve for x
    x = 1,231,410,530.64/40,138.31
  6. Step 6: Final answer
    x = 30,679.18

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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.