Home / 49,509.16-68,321.70-27,998.62

Finding the Fourth Proportional to 49,509.16, 68,321.70 and 27,998.62

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Solution

The fourth proportional to 49,509.16, 68,321.70 and 27,998.62 is: 38,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.16 : 68,321.70 = 27,998.62 : x
  2. Step 2: Convert to fraction form
    49,509.16/68,321.70 = 27,998.62/x
  3. Step 3: Cross multiply
    49,509.16x = 68,321.70 × 27,998.62
  4. Step 4: Simplify right side
    49,509.16x = 1,912,913,316.05
  5. Step 5: Solve for x
    x = 1,912,913,316.05/49,509.16
  6. Step 6: Final answer
    x = 38,637.56

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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.