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Finding the Fourth Proportional to 32,712.71, 48,994.32 and 19,538.06

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Solution

The fourth proportional to 32,712.71, 48,994.32 and 19,538.06 is: 29,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.71 : 48,994.32 = 19,538.06 : x
  2. Step 2: Convert to fraction form
    32,712.71/48,994.32 = 19,538.06/x
  3. Step 3: Cross multiply
    32,712.71x = 48,994.32 × 19,538.06
  4. Step 4: Simplify right side
    32,712.71x = 957,253,718.85
  5. Step 5: Solve for x
    x = 957,253,718.85/32,712.71
  6. Step 6: Final answer
    x = 29,262.44

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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.