Home / 50,668.13-75,961.20-21,108.17

Finding the Fourth Proportional to 50,668.13, 75,961.20 and 21,108.17

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Solution

The fourth proportional to 50,668.13, 75,961.20 and 21,108.17 is: 31,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668.13 : 75,961.20 = 21,108.17 : x
  2. Step 2: Convert to fraction form
    50,668.13/75,961.20 = 21,108.17/x
  3. Step 3: Cross multiply
    50,668.13x = 75,961.20 × 21,108.17
  4. Step 4: Simplify right side
    50,668.13x = 1,603,401,923.00
  5. Step 5: Solve for x
    x = 1,603,401,923.00/50,668.13
  6. Step 6: Final answer
    x = 31,645.18

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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.