Home / 50,419.17-75,641.22-20,845.44

Finding the Fourth Proportional to 50,419.17, 75,641.22 and 20,845.44

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Solution

The fourth proportional to 50,419.17, 75,641.22 and 20,845.44 is: 31,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419.17 : 75,641.22 = 20,845.44 : x
  2. Step 2: Convert to fraction form
    50,419.17/75,641.22 = 20,845.44/x
  3. Step 3: Cross multiply
    50,419.17x = 75,641.22 × 20,845.44
  4. Step 4: Simplify right side
    50,419.17x = 1,576,774,513.04
  5. Step 5: Solve for x
    x = 1,576,774,513.04/50,419.17
  6. Step 6: Final answer
    x = 31,273.31

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1.5x scale

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.