Home / 34,982.39-48,276.99-19,877.61

Finding the Fourth Proportional to 34,982.39, 48,276.99 and 19,877.61

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Solution

The fourth proportional to 34,982.39, 48,276.99 and 19,877.61 is: 27,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,982.39 : 48,276.99 = 19,877.61 : x
  2. Step 2: Convert to fraction form
    34,982.39/48,276.99 = 19,877.61/x
  3. Step 3: Cross multiply
    34,982.39x = 48,276.99 × 19,877.61
  4. Step 4: Simplify right side
    34,982.39x = 959,631,179.19
  5. Step 5: Solve for x
    x = 959,631,179.19/34,982.39
  6. Step 6: Final answer
    x = 27,431.84

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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.