Home / 33,015.12-49,514.91-19,691.83

Finding the Fourth Proportional to 33,015.12, 49,514.91 and 19,691.83

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Solution

The fourth proportional to 33,015.12, 49,514.91 and 19,691.83 is: 29,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.12 : 49,514.91 = 19,691.83 : x
  2. Step 2: Convert to fraction form
    33,015.12/49,514.91 = 19,691.83/x
  3. Step 3: Cross multiply
    33,015.12x = 49,514.91 × 19,691.83
  4. Step 4: Simplify right side
    33,015.12x = 975,039,190.19
  5. Step 5: Solve for x
    x = 975,039,190.19/33,015.12
  6. Step 6: Final answer
    x = 29,533.11

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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.