Home / 43,902.91-65,869.14-13,922.05

Finding the Fourth Proportional to 43,902.91, 65,869.14 and 13,922.05

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Solution

The fourth proportional to 43,902.91, 65,869.14 and 13,922.05 is: 20,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,902.91 : 65,869.14 = 13,922.05 : x
  2. Step 2: Convert to fraction form
    43,902.91/65,869.14 = 13,922.05/x
  3. Step 3: Cross multiply
    43,902.91x = 65,869.14 × 13,922.05
  4. Step 4: Simplify right side
    43,902.91x = 917,033,131.19
  5. Step 5: Solve for x
    x = 917,033,131.19/43,902.91
  6. Step 6: Final answer
    x = 20,887.76

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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.