Home / 32,712.36-49,063.68-11,931

Finding the Fourth Proportional to 32,712.36, 49,063.68 and 11,931

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Solution

The fourth proportional to 32,712.36, 49,063.68 and 11,931 is: 17,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.36 : 49,063.68 = 11,931 : x
  2. Step 2: Convert to fraction form
    32,712.36/49,063.68 = 11,931/x
  3. Step 3: Cross multiply
    32,712.36x = 49,063.68 × 11,931
  4. Step 4: Simplify right side
    32,712.36x = 585,378,766.08
  5. Step 5: Solve for x
    x = 585,378,766.08/32,712.36
  6. Step 6: Final answer
    x = 17,894.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.