Home / 39,830.97-59,704.62-20,068.09

Finding the Fourth Proportional to 39,830.97, 59,704.62 and 20,068.09

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Solution

The fourth proportional to 39,830.97, 59,704.62 and 20,068.09 is: 30,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.97 : 59,704.62 = 20,068.09 : x
  2. Step 2: Convert to fraction form
    39,830.97/59,704.62 = 20,068.09/x
  3. Step 3: Cross multiply
    39,830.97x = 59,704.62 × 20,068.09
  4. Step 4: Simplify right side
    39,830.97x = 1,198,157,519.50
  5. Step 5: Solve for x
    x = 1,198,157,519.50/39,830.97
  6. Step 6: Final answer
    x = 30,081.05

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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.