Home / 50,733.98-76,107.87-21,144.89

Finding the Fourth Proportional to 50,733.98, 76,107.87 and 21,144.89

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Solution

The fourth proportional to 50,733.98, 76,107.87 and 21,144.89 is: 31,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,733.98 : 76,107.87 = 21,144.89 : x
  2. Step 2: Convert to fraction form
    50,733.98/76,107.87 = 21,144.89/x
  3. Step 3: Cross multiply
    50,733.98x = 76,107.87 × 21,144.89
  4. Step 4: Simplify right side
    50,733.98x = 1,609,292,158.74
  5. Step 5: Solve for x
    x = 1,609,292,158.74/50,733.98
  6. Step 6: Final answer
    x = 31,720.21

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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.