Home / 50,534.14-75,768.78-20,972.38

Finding the Fourth Proportional to 50,534.14, 75,768.78 and 20,972.38

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Solution

The fourth proportional to 50,534.14, 75,768.78 and 20,972.38 is: 31,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,534.14 : 75,768.78 = 20,972.38 : x
  2. Step 2: Convert to fraction form
    50,534.14/75,768.78 = 20,972.38/x
  3. Step 3: Cross multiply
    50,534.14x = 75,768.78 × 20,972.38
  4. Step 4: Simplify right side
    50,534.14x = 1,589,051,646.30
  5. Step 5: Solve for x
    x = 1,589,051,646.30/50,534.14
  6. Step 6: Final answer
    x = 31,445.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.