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Finding the Fourth Proportional to 36,679.82, 50,641.67 and 25,213.79

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Solution

The fourth proportional to 36,679.82, 50,641.67 and 25,213.79 is: 34,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.82 : 50,641.67 = 25,213.79 : x
  2. Step 2: Convert to fraction form
    36,679.82/50,641.67 = 25,213.79/x
  3. Step 3: Cross multiply
    36,679.82x = 50,641.67 × 25,213.79
  4. Step 4: Simplify right side
    36,679.82x = 1,276,868,433.16
  5. Step 5: Solve for x
    x = 1,276,868,433.16/36,679.82
  6. Step 6: Final answer
    x = 34,811.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.