Home / 34,850.04-52,145.88-20,817.70

Finding the Fourth Proportional to 34,850.04, 52,145.88 and 20,817.70

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Solution

The fourth proportional to 34,850.04, 52,145.88 and 20,817.70 is: 31,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,850.04 : 52,145.88 = 20,817.70 : x
  2. Step 2: Convert to fraction form
    34,850.04/52,145.88 = 20,817.70/x
  3. Step 3: Cross multiply
    34,850.04x = 52,145.88 × 20,817.70
  4. Step 4: Simplify right side
    34,850.04x = 1,085,557,286.08
  5. Step 5: Solve for x
    x = 1,085,557,286.08/34,850.04
  6. Step 6: Final answer
    x = 31,149.38

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1.5x scale

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.