Home / 43,568.20-65,190.30-31,904.20

Finding the Fourth Proportional to 43,568.20, 65,190.30 and 31,904.20

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Solution

The fourth proportional to 43,568.20, 65,190.30 and 31,904.20 is: 47,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.20 : 65,190.30 = 31,904.20 : x
  2. Step 2: Convert to fraction form
    43,568.20/65,190.30 = 31,904.20/x
  3. Step 3: Cross multiply
    43,568.20x = 65,190.30 × 31,904.20
  4. Step 4: Simplify right side
    43,568.20x = 2,079,844,369.26
  5. Step 5: Solve for x
    x = 2,079,844,369.26/43,568.20
  6. Step 6: Final answer
    x = 47,737.67

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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.