Home / 50,434.50-75,609.40-21,950.18

Finding the Fourth Proportional to 50,434.50, 75,609.40 and 21,950.18

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Solution

The fourth proportional to 50,434.50, 75,609.40 and 21,950.18 is: 32,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,434.50 : 75,609.40 = 21,950.18 : x
  2. Step 2: Convert to fraction form
    50,434.50/75,609.40 = 21,950.18/x
  3. Step 3: Cross multiply
    50,434.50x = 75,609.40 × 21,950.18
  4. Step 4: Simplify right side
    50,434.50x = 1,659,639,939.69
  5. Step 5: Solve for x
    x = 1,659,639,939.69/50,434.50
  6. Step 6: Final answer
    x = 32,906.84

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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.