Home / 50,015.26-75,043.59-21,920.80

Finding the Fourth Proportional to 50,015.26, 75,043.59 and 21,920.80

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Solution

The fourth proportional to 50,015.26, 75,043.59 and 21,920.80 is: 32,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,015.26 : 75,043.59 = 21,920.80 : x
  2. Step 2: Convert to fraction form
    50,015.26/75,043.59 = 21,920.80/x
  3. Step 3: Cross multiply
    50,015.26x = 75,043.59 × 21,920.80
  4. Step 4: Simplify right side
    50,015.26x = 1,645,015,527.67
  5. Step 5: Solve for x
    x = 1,645,015,527.67/50,015.26
  6. Step 6: Final answer
    x = 32,890.27

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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.