Home / 39,668.64-59,508.48-13,380.90

Finding the Fourth Proportional to 39,668.64, 59,508.48 and 13,380.90

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Solution

The fourth proportional to 39,668.64, 59,508.48 and 13,380.90 is: 20,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.64 : 59,508.48 = 13,380.90 : x
  2. Step 2: Convert to fraction form
    39,668.64/59,508.48 = 13,380.90/x
  3. Step 3: Cross multiply
    39,668.64x = 59,508.48 × 13,380.90
  4. Step 4: Simplify right side
    39,668.64x = 796,277,020.03
  5. Step 5: Solve for x
    x = 796,277,020.03/39,668.64
  6. Step 6: Final answer
    x = 20,073.21

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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.