Home / 33,201.28-45,827.40-21,879.10

Finding the Fourth Proportional to 33,201.28, 45,827.40 and 21,879.10

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Solution

The fourth proportional to 33,201.28, 45,827.40 and 21,879.10 is: 30,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.28 : 45,827.40 = 21,879.10 : x
  2. Step 2: Convert to fraction form
    33,201.28/45,827.40 = 21,879.10/x
  3. Step 3: Cross multiply
    33,201.28x = 45,827.40 × 21,879.10
  4. Step 4: Simplify right side
    33,201.28x = 1,002,662,267.34
  5. Step 5: Solve for x
    x = 1,002,662,267.34/33,201.28
  6. Step 6: Final answer
    x = 30,199.51

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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.