Home / 50,419.67-75,641.97-20,845.94

Finding the Fourth Proportional to 50,419.67, 75,641.97 and 20,845.94

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Solution

The fourth proportional to 50,419.67, 75,641.97 and 20,845.94 is: 31,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419.67 : 75,641.97 = 20,845.94 : x
  2. Step 2: Convert to fraction form
    50,419.67/75,641.97 = 20,845.94/x
  3. Step 3: Cross multiply
    50,419.67x = 75,641.97 × 20,845.94
  4. Step 4: Simplify right side
    50,419.67x = 1,576,827,968.10
  5. Step 5: Solve for x
    x = 1,576,827,968.10/50,419.67
  6. Step 6: Final answer
    x = 31,274.06

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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.