Home / 49,995.18-74,992.68-20,022.90

Finding the Fourth Proportional to 49,995.18, 74,992.68 and 20,022.90

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Solution

The fourth proportional to 49,995.18, 74,992.68 and 20,022.90 is: 30,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,995.18 : 74,992.68 = 20,022.90 : x
  2. Step 2: Convert to fraction form
    49,995.18/74,992.68 = 20,022.90/x
  3. Step 3: Cross multiply
    49,995.18x = 74,992.68 × 20,022.90
  4. Step 4: Simplify right side
    49,995.18x = 1,501,570,932.37
  5. Step 5: Solve for x
    x = 1,501,570,932.37/49,995.18
  6. Step 6: Final answer
    x = 30,034.31

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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.