Home / 33,177.12-45,784.32-18,273.12

Finding the Fourth Proportional to 33,177.12, 45,784.32 and 18,273.12

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Solution

The fourth proportional to 33,177.12, 45,784.32 and 18,273.12 is: 25,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.12 : 45,784.32 = 18,273.12 : x
  2. Step 2: Convert to fraction form
    33,177.12/45,784.32 = 18,273.12/x
  3. Step 3: Cross multiply
    33,177.12x = 45,784.32 × 18,273.12
  4. Step 4: Simplify right side
    33,177.12x = 836,622,373.48
  5. Step 5: Solve for x
    x = 836,622,373.48/33,177.12
  6. Step 6: Final answer
    x = 25,216.85

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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.