Home / 36,619.68-50,537.16-20,705.52

Finding the Fourth Proportional to 36,619.68, 50,537.16 and 20,705.52

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Solution

The fourth proportional to 36,619.68, 50,537.16 and 20,705.52 is: 28,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,619.68 : 50,537.16 = 20,705.52 : x
  2. Step 2: Convert to fraction form
    36,619.68/50,537.16 = 20,705.52/x
  3. Step 3: Cross multiply
    36,619.68x = 50,537.16 × 20,705.52
  4. Step 4: Simplify right side
    36,619.68x = 1,046,398,177.12
  5. Step 5: Solve for x
    x = 1,046,398,177.12/36,619.68
  6. Step 6: Final answer
    x = 28,574.75

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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.