Home / 36,490.12-50,356.40-19,723.12

Finding the Fourth Proportional to 36,490.12, 50,356.40 and 19,723.12

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Solution

The fourth proportional to 36,490.12, 50,356.40 and 19,723.12 is: 27,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.12 : 50,356.40 = 19,723.12 : x
  2. Step 2: Convert to fraction form
    36,490.12/50,356.40 = 19,723.12/x
  3. Step 3: Cross multiply
    36,490.12x = 50,356.40 × 19,723.12
  4. Step 4: Simplify right side
    36,490.12x = 993,185,319.97
  5. Step 5: Solve for x
    x = 993,185,319.97/36,490.12
  6. Step 6: Final answer
    x = 27,217.92

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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.