Home / 33,172.29-45,777.78-18,268.29

Finding the Fourth Proportional to 33,172.29, 45,777.78 and 18,268.29

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Solution

The fourth proportional to 33,172.29, 45,777.78 and 18,268.29 is: 25,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.29 : 45,777.78 = 18,268.29 : x
  2. Step 2: Convert to fraction form
    33,172.29/45,777.78 = 18,268.29/x
  3. Step 3: Cross multiply
    33,172.29x = 45,777.78 × 18,268.29
  4. Step 4: Simplify right side
    33,172.29x = 836,281,760.60
  5. Step 5: Solve for x
    x = 836,281,760.60/33,172.29
  6. Step 6: Final answer
    x = 25,210.25

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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.