Home / 29,867.46-41,166.78-20,419.62

Finding the Fourth Proportional to 29,867.46, 41,166.78 and 20,419.62

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Solution

The fourth proportional to 29,867.46, 41,166.78 and 20,419.62 is: 28,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,867.46 : 41,166.78 = 20,419.62 : x
  2. Step 2: Convert to fraction form
    29,867.46/41,166.78 = 20,419.62/x
  3. Step 3: Cross multiply
    29,867.46x = 41,166.78 × 20,419.62
  4. Step 4: Simplify right side
    29,867.46x = 840,610,004.22
  5. Step 5: Solve for x
    x = 840,610,004.22/29,867.46
  6. Step 6: Final answer
    x = 28,144.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.