Home / 65,276.28-97,914.42-20,902.86

Finding the Fourth Proportional to 65,276.28, 97,914.42 and 20,902.86

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Solution

The fourth proportional to 65,276.28, 97,914.42 and 20,902.86 is: 31,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,276.28 : 97,914.42 = 20,902.86 : x
  2. Step 2: Convert to fraction form
    65,276.28/97,914.42 = 20,902.86/x
  3. Step 3: Cross multiply
    65,276.28x = 97,914.42 × 20,902.86
  4. Step 4: Simplify right side
    65,276.28x = 2,046,691,413.24
  5. Step 5: Solve for x
    x = 2,046,691,413.24/65,276.28
  6. Step 6: Final answer
    x = 31,354.29

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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.