Home / 40,287.35-55,604.50-25,742.23

Finding the Fourth Proportional to 40,287.35, 55,604.50 and 25,742.23

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Solution

The fourth proportional to 40,287.35, 55,604.50 and 25,742.23 is: 35,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.35 : 55,604.50 = 25,742.23 : x
  2. Step 2: Convert to fraction form
    40,287.35/55,604.50 = 25,742.23/x
  3. Step 3: Cross multiply
    40,287.35x = 55,604.50 × 25,742.23
  4. Step 4: Simplify right side
    40,287.35x = 1,431,383,828.04
  5. Step 5: Solve for x
    x = 1,431,383,828.04/40,287.35
  6. Step 6: Final answer
    x = 35,529.36

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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.