Home / 53,231.40-79,846.68-15,791.56

Finding the Fourth Proportional to 53,231.40, 79,846.68 and 15,791.56

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Solution

The fourth proportional to 53,231.40, 79,846.68 and 15,791.56 is: 23,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.40 : 79,846.68 = 15,791.56 : x
  2. Step 2: Convert to fraction form
    53,231.40/79,846.68 = 15,791.56/x
  3. Step 3: Cross multiply
    53,231.40x = 79,846.68 × 15,791.56
  4. Step 4: Simplify right side
    53,231.40x = 1,260,903,638.02
  5. Step 5: Solve for x
    x = 1,260,903,638.02/53,231.40
  6. Step 6: Final answer
    x = 23,687.22

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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.