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Finding the Fourth Proportional to 32,474.49, 44,809.99 and 19,721.04

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Solution

The fourth proportional to 32,474.49, 44,809.99 and 19,721.04 is: 27,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,474.49 : 44,809.99 = 19,721.04 : x
  2. Step 2: Convert to fraction form
    32,474.49/44,809.99 = 19,721.04/x
  3. Step 3: Cross multiply
    32,474.49x = 44,809.99 × 19,721.04
  4. Step 4: Simplify right side
    32,474.49x = 883,699,629.84
  5. Step 5: Solve for x
    x = 883,699,629.84/32,474.49
  6. Step 6: Final answer
    x = 27,212.12

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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.