Home / 35,084.14-48,399.87-20,171.50

Finding the Fourth Proportional to 35,084.14, 48,399.87 and 20,171.50

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Solution

The fourth proportional to 35,084.14, 48,399.87 and 20,171.50 is: 27,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,084.14 : 48,399.87 = 20,171.50 : x
  2. Step 2: Convert to fraction form
    35,084.14/48,399.87 = 20,171.50/x
  3. Step 3: Cross multiply
    35,084.14x = 48,399.87 × 20,171.50
  4. Step 4: Simplify right side
    35,084.14x = 976,297,977.71
  5. Step 5: Solve for x
    x = 976,297,977.71/35,084.14
  6. Step 6: Final answer
    x = 27,827.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.