Home / 36,336.40-50,140.56-21,229.36

Finding the Fourth Proportional to 36,336.40, 50,140.56 and 21,229.36

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Solution

The fourth proportional to 36,336.40, 50,140.56 and 21,229.36 is: 29,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336.40 : 50,140.56 = 21,229.36 : x
  2. Step 2: Convert to fraction form
    36,336.40/50,140.56 = 21,229.36/x
  3. Step 3: Cross multiply
    36,336.40x = 50,140.56 × 21,229.36
  4. Step 4: Simplify right side
    36,336.40x = 1,064,451,998.84
  5. Step 5: Solve for x
    x = 1,064,451,998.84/36,336.40
  6. Step 6: Final answer
    x = 29,294.37

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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.