Home / 43,905.42-65,872.89-13,924.56

Finding the Fourth Proportional to 43,905.42, 65,872.89 and 13,924.56

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Solution

The fourth proportional to 43,905.42, 65,872.89 and 13,924.56 is: 20,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.42 : 65,872.89 = 13,924.56 : x
  2. Step 2: Convert to fraction form
    43,905.42/65,872.89 = 13,924.56/x
  3. Step 3: Cross multiply
    43,905.42x = 65,872.89 × 13,924.56
  4. Step 4: Simplify right side
    43,905.42x = 917,251,009.18
  5. Step 5: Solve for x
    x = 917,251,009.18/43,905.42
  6. Step 6: Final answer
    x = 20,891.52

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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.