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Finding the Fourth Proportional to 29,873.87, 41,221.12 and 17,124.71

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Solution

The fourth proportional to 29,873.87, 41,221.12 and 17,124.71 is: 23,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,873.87 : 41,221.12 = 17,124.71 : x
  2. Step 2: Convert to fraction form
    29,873.87/41,221.12 = 17,124.71/x
  3. Step 3: Cross multiply
    29,873.87x = 41,221.12 × 17,124.71
  4. Step 4: Simplify right side
    29,873.87x = 705,899,725.88
  5. Step 5: Solve for x
    x = 705,899,725.88/29,873.87
  6. Step 6: Final answer
    x = 23,629.34

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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.