Home / 30,297.12-45,414.09-17,806.92

Finding the Fourth Proportional to 30,297.12, 45,414.09 and 17,806.92

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Solution

The fourth proportional to 30,297.12, 45,414.09 and 17,806.92 is: 26,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.12 : 45,414.09 = 17,806.92 : x
  2. Step 2: Convert to fraction form
    30,297.12/45,414.09 = 17,806.92/x
  3. Step 3: Cross multiply
    30,297.12x = 45,414.09 × 17,806.92
  4. Step 4: Simplify right side
    30,297.12x = 808,685,067.50
  5. Step 5: Solve for x
    x = 808,685,067.50/30,297.12
  6. Step 6: Final answer
    x = 26,691.81

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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.