Home / 43,902.53-65,868.58-13,921.66

Finding the Fourth Proportional to 43,902.53, 65,868.58 and 13,921.66

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Solution

The fourth proportional to 43,902.53, 65,868.58 and 13,921.66 is: 20,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,902.53 : 65,868.58 = 13,921.66 : x
  2. Step 2: Convert to fraction form
    43,902.53/65,868.58 = 13,921.66/x
  3. Step 3: Cross multiply
    43,902.53x = 65,868.58 × 13,921.66
  4. Step 4: Simplify right side
    43,902.53x = 916,999,975.44
  5. Step 5: Solve for x
    x = 916,999,975.44/43,902.53
  6. Step 6: Final answer
    x = 20,887.18

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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.