Home / 62,979.24-86,919.30-36,121.17

Finding the Fourth Proportional to 62,979.24, 86,919.30 and 36,121.17

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Solution

The fourth proportional to 62,979.24, 86,919.30 and 36,121.17 is: 49,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,979.24 : 86,919.30 = 36,121.17 : x
  2. Step 2: Convert to fraction form
    62,979.24/86,919.30 = 36,121.17/x
  3. Step 3: Cross multiply
    62,979.24x = 86,919.30 × 36,121.17
  4. Step 4: Simplify right side
    62,979.24x = 3,139,626,811.58
  5. Step 5: Solve for x
    x = 3,139,626,811.58/62,979.24
  6. Step 6: Final answer
    x = 49,851.77

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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.