Home / 34,979.32-48,272.67-19,872.61

Finding the Fourth Proportional to 34,979.32, 48,272.67 and 19,872.61

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Solution

The fourth proportional to 34,979.32, 48,272.67 and 19,872.61 is: 27,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.32 : 48,272.67 = 19,872.61 : x
  2. Step 2: Convert to fraction form
    34,979.32/48,272.67 = 19,872.61/x
  3. Step 3: Cross multiply
    34,979.32x = 48,272.67 × 19,872.61
  4. Step 4: Simplify right side
    34,979.32x = 959,303,944.57
  5. Step 5: Solve for x
    x = 959,303,944.57/34,979.32
  6. Step 6: Final answer
    x = 27,424.89

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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.