Home / 65,330.16-97,989.92-20,944.96

Finding the Fourth Proportional to 65,330.16, 97,989.92 and 20,944.96

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Solution

The fourth proportional to 65,330.16, 97,989.92 and 20,944.96 is: 31,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,330.16 : 97,989.92 = 20,944.96 : x
  2. Step 2: Convert to fraction form
    65,330.16/97,989.92 = 20,944.96/x
  3. Step 3: Cross multiply
    65,330.16x = 97,989.92 × 20,944.96
  4. Step 4: Simplify right side
    65,330.16x = 2,052,394,954.80
  5. Step 5: Solve for x
    x = 2,052,394,954.80/65,330.16
  6. Step 6: Final answer
    x = 31,415.73

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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.