Home / 33,228.78-45,844.38-18,887.16

Finding the Fourth Proportional to 33,228.78, 45,844.38 and 18,887.16

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Solution

The fourth proportional to 33,228.78, 45,844.38 and 18,887.16 is: 26,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.78 : 45,844.38 = 18,887.16 : x
  2. Step 2: Convert to fraction form
    33,228.78/45,844.38 = 18,887.16/x
  3. Step 3: Cross multiply
    33,228.78x = 45,844.38 × 18,887.16
  4. Step 4: Simplify right side
    33,228.78x = 865,870,140.16
  5. Step 5: Solve for x
    x = 865,870,140.16/33,228.78
  6. Step 6: Final answer
    x = 26,057.84

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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.