Home / 35,788.30-49,388.40-19,872.90

Finding the Fourth Proportional to 35,788.30, 49,388.40 and 19,872.90

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Solution

The fourth proportional to 35,788.30, 49,388.40 and 19,872.90 is: 27,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.30 : 49,388.40 = 19,872.90 : x
  2. Step 2: Convert to fraction form
    35,788.30/49,388.40 = 19,872.90/x
  3. Step 3: Cross multiply
    35,788.30x = 49,388.40 × 19,872.90
  4. Step 4: Simplify right side
    35,788.30x = 981,490,734.36
  5. Step 5: Solve for x
    x = 981,490,734.36/35,788.30
  6. Step 6: Final answer
    x = 27,424.91

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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.