Home / 48,427.44-72,642.60-20,707.44

Finding the Fourth Proportional to 48,427.44, 72,642.60 and 20,707.44

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Solution

The fourth proportional to 48,427.44, 72,642.60 and 20,707.44 is: 31,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.44 : 72,642.60 = 20,707.44 : x
  2. Step 2: Convert to fraction form
    48,427.44/72,642.60 = 20,707.44/x
  3. Step 3: Cross multiply
    48,427.44x = 72,642.60 × 20,707.44
  4. Step 4: Simplify right side
    48,427.44x = 1,504,242,280.94
  5. Step 5: Solve for x
    x = 1,504,242,280.94/48,427.44
  6. Step 6: Final answer
    x = 31,061.78

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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.