Home / 41,688.72-62,542.44-13,986

Finding the Fourth Proportional to 41,688.72, 62,542.44 and 13,986

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Solution

The fourth proportional to 41,688.72, 62,542.44 and 13,986 is: 20,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.72 : 62,542.44 = 13,986 : x
  2. Step 2: Convert to fraction form
    41,688.72/62,542.44 = 13,986/x
  3. Step 3: Cross multiply
    41,688.72x = 62,542.44 × 13,986
  4. Step 4: Simplify right side
    41,688.72x = 874,718,565.84
  5. Step 5: Solve for x
    x = 874,718,565.84/41,688.72
  6. Step 6: Final answer
    x = 20,982.14

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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.