Home / 62,828.78-86,708.67-35,979.74

Finding the Fourth Proportional to 62,828.78, 86,708.67 and 35,979.74

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Solution

The fourth proportional to 62,828.78, 86,708.67 and 35,979.74 is: 49,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,828.78 : 86,708.67 = 35,979.74 : x
  2. Step 2: Convert to fraction form
    62,828.78/86,708.67 = 35,979.74/x
  3. Step 3: Cross multiply
    62,828.78x = 86,708.67 × 35,979.74
  4. Step 4: Simplify right side
    62,828.78x = 3,119,755,402.35
  5. Step 5: Solve for x
    x = 3,119,755,402.35/62,828.78
  6. Step 6: Final answer
    x = 49,654.88

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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.