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Finding the Fourth Proportional to 50,811.66, 70,074.36 and 32,887.98

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Solution

The fourth proportional to 50,811.66, 70,074.36 and 32,887.98 is: 45,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.66 : 70,074.36 = 32,887.98 : x
  2. Step 2: Convert to fraction form
    50,811.66/70,074.36 = 32,887.98/x
  3. Step 3: Cross multiply
    50,811.66x = 70,074.36 × 32,887.98
  4. Step 4: Simplify right side
    50,811.66x = 2,304,604,150.19
  5. Step 5: Solve for x
    x = 2,304,604,150.19/50,811.66
  6. Step 6: Final answer
    x = 45,355.81

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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.