Home / 33,108.20-45,703.14-21,945.32

Finding the Fourth Proportional to 33,108.20, 45,703.14 and 21,945.32

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Solution

The fourth proportional to 33,108.20, 45,703.14 and 21,945.32 is: 30,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.20 : 45,703.14 = 21,945.32 : x
  2. Step 2: Convert to fraction form
    33,108.20/45,703.14 = 21,945.32/x
  3. Step 3: Cross multiply
    33,108.20x = 45,703.14 × 21,945.32
  4. Step 4: Simplify right side
    33,108.20x = 1,002,970,032.30
  5. Step 5: Solve for x
    x = 1,002,970,032.30/33,108.20
  6. Step 6: Final answer
    x = 30,293.70

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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.