Home / 33,027.12-49,543.04-13,305.78

Finding the Fourth Proportional to 33,027.12, 49,543.04 and 13,305.78

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Solution

The fourth proportional to 33,027.12, 49,543.04 and 13,305.78 is: 19,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,027.12 : 49,543.04 = 13,305.78 : x
  2. Step 2: Convert to fraction form
    33,027.12/49,543.04 = 13,305.78/x
  3. Step 3: Cross multiply
    33,027.12x = 49,543.04 × 13,305.78
  4. Step 4: Simplify right side
    33,027.12x = 659,208,724.24
  5. Step 5: Solve for x
    x = 659,208,724.24/33,027.12
  6. Step 6: Final answer
    x = 19,959.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.