Home / 38,908.06-58,380.31-19,175.85

Finding the Fourth Proportional to 38,908.06, 58,380.31 and 19,175.85

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Solution

The fourth proportional to 38,908.06, 58,380.31 and 19,175.85 is: 28,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.06 : 58,380.31 = 19,175.85 : x
  2. Step 2: Convert to fraction form
    38,908.06/58,380.31 = 19,175.85/x
  3. Step 3: Cross multiply
    38,908.06x = 58,380.31 × 19,175.85
  4. Step 4: Simplify right side
    38,908.06x = 1,119,492,067.51
  5. Step 5: Solve for x
    x = 1,119,492,067.51/38,908.06
  6. Step 6: Final answer
    x = 28,772.75

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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.