Home / 50,381.88-75,570.09-15,318.81

Finding the Fourth Proportional to 50,381.88, 75,570.09 and 15,318.81

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Solution

The fourth proportional to 50,381.88, 75,570.09 and 15,318.81 is: 22,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,381.88 : 75,570.09 = 15,318.81 : x
  2. Step 2: Convert to fraction form
    50,381.88/75,570.09 = 15,318.81/x
  3. Step 3: Cross multiply
    50,381.88x = 75,570.09 × 15,318.81
  4. Step 4: Simplify right side
    50,381.88x = 1,157,643,850.39
  5. Step 5: Solve for x
    x = 1,157,643,850.39/50,381.88
  6. Step 6: Final answer
    x = 22,977.38

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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.