Home / 29,819.35-41,133.57-18,621.91

Finding the Fourth Proportional to 29,819.35, 41,133.57 and 18,621.91

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Solution

The fourth proportional to 29,819.35, 41,133.57 and 18,621.91 is: 25,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.35 : 41,133.57 = 18,621.91 : x
  2. Step 2: Convert to fraction form
    29,819.35/41,133.57 = 18,621.91/x
  3. Step 3: Cross multiply
    29,819.35x = 41,133.57 × 18,621.91
  4. Step 4: Simplify right side
    29,819.35x = 765,985,638.52
  5. Step 5: Solve for x
    x = 765,985,638.52/29,819.35
  6. Step 6: Final answer
    x = 25,687.54

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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.