Home / 36,896.40-55,379.16-19,378.80

Finding the Fourth Proportional to 36,896.40, 55,379.16 and 19,378.80

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Solution

The fourth proportional to 36,896.40, 55,379.16 and 19,378.80 is: 29,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.40 : 55,379.16 = 19,378.80 : x
  2. Step 2: Convert to fraction form
    36,896.40/55,379.16 = 19,378.80/x
  3. Step 3: Cross multiply
    36,896.40x = 55,379.16 × 19,378.80
  4. Step 4: Simplify right side
    36,896.40x = 1,073,181,665.81
  5. Step 5: Solve for x
    x = 1,073,181,665.81/36,896.40
  6. Step 6: Final answer
    x = 29,086.35

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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.