Home / 30,011.72-41,418.14-19,924.38

Finding the Fourth Proportional to 30,011.72, 41,418.14 and 19,924.38

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Solution

The fourth proportional to 30,011.72, 41,418.14 and 19,924.38 is: 27,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.72 : 41,418.14 = 19,924.38 : x
  2. Step 2: Convert to fraction form
    30,011.72/41,418.14 = 19,924.38/x
  3. Step 3: Cross multiply
    30,011.72x = 41,418.14 × 19,924.38
  4. Step 4: Simplify right side
    30,011.72x = 825,230,660.63
  5. Step 5: Solve for x
    x = 825,230,660.63/30,011.72
  6. Step 6: Final answer
    x = 27,496.95

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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.