Home / 40,191.36-55,464.06-22,287.60

Finding the Fourth Proportional to 40,191.36, 55,464.06 and 22,287.60

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Solution

The fourth proportional to 40,191.36, 55,464.06 and 22,287.60 is: 30,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.36 : 55,464.06 = 22,287.60 : x
  2. Step 2: Convert to fraction form
    40,191.36/55,464.06 = 22,287.60/x
  3. Step 3: Cross multiply
    40,191.36x = 55,464.06 × 22,287.60
  4. Step 4: Simplify right side
    40,191.36x = 1,236,160,783.66
  5. Step 5: Solve for x
    x = 1,236,160,783.66/40,191.36
  6. Step 6: Final answer
    x = 30,756.88

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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.