Home / 52,944.84-79,429.41-21,780.09

Finding the Fourth Proportional to 52,944.84, 79,429.41 and 21,780.09

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Solution

The fourth proportional to 52,944.84, 79,429.41 and 21,780.09 is: 32,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,944.84 : 79,429.41 = 21,780.09 : x
  2. Step 2: Convert to fraction form
    52,944.84/79,429.41 = 21,780.09/x
  3. Step 3: Cross multiply
    52,944.84x = 79,429.41 × 21,780.09
  4. Step 4: Simplify right side
    52,944.84x = 1,729,979,698.45
  5. Step 5: Solve for x
    x = 1,729,979,698.45/52,944.84
  6. Step 6: Final answer
    x = 32,675.13

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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.