Home / 49,506.12-74,215.44-18,321.12

Finding the Fourth Proportional to 49,506.12, 74,215.44 and 18,321.12

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Solution

The fourth proportional to 49,506.12, 74,215.44 and 18,321.12 is: 27,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,506.12 : 74,215.44 = 18,321.12 : x
  2. Step 2: Convert to fraction form
    49,506.12/74,215.44 = 18,321.12/x
  3. Step 3: Cross multiply
    49,506.12x = 74,215.44 × 18,321.12
  4. Step 4: Simplify right side
    49,506.12x = 1,359,709,982.09
  5. Step 5: Solve for x
    x = 1,359,709,982.09/49,506.12
  6. Step 6: Final answer
    x = 27,465.49

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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.