Home / 43,878.10-65,757.51-18,556.56

Finding the Fourth Proportional to 43,878.10, 65,757.51 and 18,556.56

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Solution

The fourth proportional to 43,878.10, 65,757.51 and 18,556.56 is: 27,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,878.10 : 65,757.51 = 18,556.56 : x
  2. Step 2: Convert to fraction form
    43,878.10/65,757.51 = 18,556.56/x
  3. Step 3: Cross multiply
    43,878.10x = 65,757.51 × 18,556.56
  4. Step 4: Simplify right side
    43,878.10x = 1,220,233,426.36
  5. Step 5: Solve for x
    x = 1,220,233,426.36/43,878.10
  6. Step 6: Final answer
    x = 27,809.62

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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.