Home / 34,474.39-47,579.79-21,053.43

Finding the Fourth Proportional to 34,474.39, 47,579.79 and 21,053.43

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Solution

The fourth proportional to 34,474.39, 47,579.79 and 21,053.43 is: 29,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,474.39 : 47,579.79 = 21,053.43 : x
  2. Step 2: Convert to fraction form
    34,474.39/47,579.79 = 21,053.43/x
  3. Step 3: Cross multiply
    34,474.39x = 47,579.79 × 21,053.43
  4. Step 4: Simplify right side
    34,474.39x = 1,001,717,778.18
  5. Step 5: Solve for x
    x = 1,001,717,778.18/34,474.39
  6. Step 6: Final answer
    x = 29,056.87

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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.