Home / 33,172.48-45,778.56-18,268.48

Finding the Fourth Proportional to 33,172.48, 45,778.56 and 18,268.48

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Solution

The fourth proportional to 33,172.48, 45,778.56 and 18,268.48 is: 25,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.48 : 45,778.56 = 18,268.48 : x
  2. Step 2: Convert to fraction form
    33,172.48/45,778.56 = 18,268.48/x
  3. Step 3: Cross multiply
    33,172.48x = 45,778.56 × 18,268.48
  4. Step 4: Simplify right side
    33,172.48x = 836,304,707.79
  5. Step 5: Solve for x
    x = 836,304,707.79/33,172.48
  6. Step 6: Final answer
    x = 25,210.80

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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.