Home / 40,768.62-61,159.41-19,993.74

Finding the Fourth Proportional to 40,768.62, 61,159.41 and 19,993.74

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Solution

The fourth proportional to 40,768.62, 61,159.41 and 19,993.74 is: 29,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.62 : 61,159.41 = 19,993.74 : x
  2. Step 2: Convert to fraction form
    40,768.62/61,159.41 = 19,993.74/x
  3. Step 3: Cross multiply
    40,768.62x = 61,159.41 × 19,993.74
  4. Step 4: Simplify right side
    40,768.62x = 1,222,805,342.09
  5. Step 5: Solve for x
    x = 1,222,805,342.09/40,768.62
  6. Step 6: Final answer
    x = 29,993.79

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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.