Home / 20,460.41-30,691.28-5,668.07

Finding the Fourth Proportional to 20,460.41, 30,691.28 and 5,668.07

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Solution

The fourth proportional to 20,460.41, 30,691.28 and 5,668.07 is: 8,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.41 : 30,691.28 = 5,668.07 : x
  2. Step 2: Convert to fraction form
    20,460.41/30,691.28 = 5,668.07/x
  3. Step 3: Cross multiply
    20,460.41x = 30,691.28 × 5,668.07
  4. Step 4: Simplify right side
    20,460.41x = 173,960,323.43
  5. Step 5: Solve for x
    x = 173,960,323.43/20,460.41
  6. Step 6: Final answer
    x = 8,502.29

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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.