Home / 30,205.52-41,666.82-28,067.30

Finding the Fourth Proportional to 30,205.52, 41,666.82 and 28,067.30

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Solution

The fourth proportional to 30,205.52, 41,666.82 and 28,067.30 is: 38,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.52 : 41,666.82 = 28,067.30 : x
  2. Step 2: Convert to fraction form
    30,205.52/41,666.82 = 28,067.30/x
  3. Step 3: Cross multiply
    30,205.52x = 41,666.82 × 28,067.30
  4. Step 4: Simplify right side
    30,205.52x = 1,169,474,979.65
  5. Step 5: Solve for x
    x = 1,169,474,979.65/30,205.52
  6. Step 6: Final answer
    x = 38,717.26

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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.