Home / 33,287.60-45,935.15-18,177.35

Finding the Fourth Proportional to 33,287.60, 45,935.15 and 18,177.35

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Solution

The fourth proportional to 33,287.60, 45,935.15 and 18,177.35 is: 25,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,287.60 : 45,935.15 = 18,177.35 : x
  2. Step 2: Convert to fraction form
    33,287.60/45,935.15 = 18,177.35/x
  3. Step 3: Cross multiply
    33,287.60x = 45,935.15 × 18,177.35
  4. Step 4: Simplify right side
    33,287.60x = 834,978,978.29
  5. Step 5: Solve for x
    x = 834,978,978.29/33,287.60
  6. Step 6: Final answer
    x = 25,083.78

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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.