Home / 35,753.20-49,339.44-19,837.78

Finding the Fourth Proportional to 35,753.20, 49,339.44 and 19,837.78

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Solution

The fourth proportional to 35,753.20, 49,339.44 and 19,837.78 is: 27,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,753.20 : 49,339.44 = 19,837.78 : x
  2. Step 2: Convert to fraction form
    35,753.20/49,339.44 = 19,837.78/x
  3. Step 3: Cross multiply
    35,753.20x = 49,339.44 × 19,837.78
  4. Step 4: Simplify right side
    35,753.20x = 978,784,956.04
  5. Step 5: Solve for x
    x = 978,784,956.04/35,753.20
  6. Step 6: Final answer
    x = 27,376.15

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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.