Home / 37,908.72-52,318.98-21,998.16

Finding the Fourth Proportional to 37,908.72, 52,318.98 and 21,998.16

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Solution

The fourth proportional to 37,908.72, 52,318.98 and 21,998.16 is: 30,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,908.72 : 52,318.98 = 21,998.16 : x
  2. Step 2: Convert to fraction form
    37,908.72/52,318.98 = 21,998.16/x
  3. Step 3: Cross multiply
    37,908.72x = 52,318.98 × 21,998.16
  4. Step 4: Simplify right side
    37,908.72x = 1,150,921,293.08
  5. Step 5: Solve for x
    x = 1,150,921,293.08/37,908.72
  6. Step 6: Final answer
    x = 30,360.33

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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.