Home / 36,336.42-50,145.40-21,998.88

Finding the Fourth Proportional to 36,336.42, 50,145.40 and 21,998.88

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Solution

The fourth proportional to 36,336.42, 50,145.40 and 21,998.88 is: 30,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336.42 : 50,145.40 = 21,998.88 : x
  2. Step 2: Convert to fraction form
    36,336.42/50,145.40 = 21,998.88/x
  3. Step 3: Cross multiply
    36,336.42x = 50,145.40 × 21,998.88
  4. Step 4: Simplify right side
    36,336.42x = 1,103,142,699.83
  5. Step 5: Solve for x
    x = 1,103,142,699.83/36,336.42
  6. Step 6: Final answer
    x = 30,359.15

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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.