Home / 30,318.78-41,839.96-17,574.44

Finding the Fourth Proportional to 30,318.78, 41,839.96 and 17,574.44

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Solution

The fourth proportional to 30,318.78, 41,839.96 and 17,574.44 is: 24,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.78 : 41,839.96 = 17,574.44 : x
  2. Step 2: Convert to fraction form
    30,318.78/41,839.96 = 17,574.44/x
  3. Step 3: Cross multiply
    30,318.78x = 41,839.96 × 17,574.44
  4. Step 4: Simplify right side
    30,318.78x = 735,313,866.62
  5. Step 5: Solve for x
    x = 735,313,866.62/30,318.78
  6. Step 6: Final answer
    x = 24,252.75

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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.