Home / 50,535.78-75,808.53-20,952.96

Finding the Fourth Proportional to 50,535.78, 75,808.53 and 20,952.96

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Solution

The fourth proportional to 50,535.78, 75,808.53 and 20,952.96 is: 31,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,535.78 : 75,808.53 = 20,952.96 : x
  2. Step 2: Convert to fraction form
    50,535.78/75,808.53 = 20,952.96/x
  3. Step 3: Cross multiply
    50,535.78x = 75,808.53 × 20,952.96
  4. Step 4: Simplify right side
    50,535.78x = 1,588,413,096.75
  5. Step 5: Solve for x
    x = 1,588,413,096.75/50,535.78
  6. Step 6: Final answer
    x = 31,431.46

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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.