Home / 20,532.39-30,850.49-19,702.02

Finding the Fourth Proportional to 20,532.39, 30,850.49 and 19,702.02

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Solution

The fourth proportional to 20,532.39, 30,850.49 and 19,702.02 is: 29,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.39 : 30,850.49 = 19,702.02 : x
  2. Step 2: Convert to fraction form
    20,532.39/30,850.49 = 19,702.02/x
  3. Step 3: Cross multiply
    20,532.39x = 30,850.49 × 19,702.02
  4. Step 4: Simplify right side
    20,532.39x = 607,816,851.58
  5. Step 5: Solve for x
    x = 607,816,851.58/20,532.39
  6. Step 6: Final answer
    x = 29,602.83

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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.