Home / 28,966.84-43,375.82-20,069.52

Finding the Fourth Proportional to 28,966.84, 43,375.82 and 20,069.52

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Solution

The fourth proportional to 28,966.84, 43,375.82 and 20,069.52 is: 30,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.84 : 43,375.82 = 20,069.52 : x
  2. Step 2: Convert to fraction form
    28,966.84/43,375.82 = 20,069.52/x
  3. Step 3: Cross multiply
    28,966.84x = 43,375.82 × 20,069.52
  4. Step 4: Simplify right side
    28,966.84x = 870,531,887.01
  5. Step 5: Solve for x
    x = 870,531,887.01/28,966.84
  6. Step 6: Final answer
    x = 30,052.70

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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.