Home / 40,140.66-55,392.48-22,236.42

Finding the Fourth Proportional to 40,140.66, 55,392.48 and 22,236.42

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Solution

The fourth proportional to 40,140.66, 55,392.48 and 22,236.42 is: 30,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.66 : 55,392.48 = 22,236.42 : x
  2. Step 2: Convert to fraction form
    40,140.66/55,392.48 = 22,236.42/x
  3. Step 3: Cross multiply
    40,140.66x = 55,392.48 × 22,236.42
  4. Step 4: Simplify right side
    40,140.66x = 1,231,730,450.12
  5. Step 5: Solve for x
    x = 1,231,730,450.12/40,140.66
  6. Step 6: Final answer
    x = 30,685.36

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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.