Home / 43,475.87-65,208.35-13,891.25

Finding the Fourth Proportional to 43,475.87, 65,208.35 and 13,891.25

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Solution

The fourth proportional to 43,475.87, 65,208.35 and 13,891.25 is: 20,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.87 : 65,208.35 = 13,891.25 : x
  2. Step 2: Convert to fraction form
    43,475.87/65,208.35 = 13,891.25/x
  3. Step 3: Cross multiply
    43,475.87x = 65,208.35 × 13,891.25
  4. Step 4: Simplify right side
    43,475.87x = 905,825,096.44
  5. Step 5: Solve for x
    x = 905,825,096.44/43,475.87
  6. Step 6: Final answer
    x = 20,835.13

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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.