Home / 50,690.13-76,033.62-21,107.22

Finding the Fourth Proportional to 50,690.13, 76,033.62 and 21,107.22

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Solution

The fourth proportional to 50,690.13, 76,033.62 and 21,107.22 is: 31,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,690.13 : 76,033.62 = 21,107.22 : x
  2. Step 2: Convert to fraction form
    50,690.13/76,033.62 = 21,107.22/x
  3. Step 3: Cross multiply
    50,690.13x = 76,033.62 × 21,107.22
  4. Step 4: Simplify right side
    50,690.13x = 1,604,858,344.74
  5. Step 5: Solve for x
    x = 1,604,858,344.74/50,690.13
  6. Step 6: Final answer
    x = 31,660.17

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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.