Home / 36,115.68-49,819.58-21,006.64

Finding the Fourth Proportional to 36,115.68, 49,819.58 and 21,006.64

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Solution

The fourth proportional to 36,115.68, 49,819.58 and 21,006.64 is: 28,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.68 : 49,819.58 = 21,006.64 : x
  2. Step 2: Convert to fraction form
    36,115.68/49,819.58 = 21,006.64/x
  3. Step 3: Cross multiply
    36,115.68x = 49,819.58 × 21,006.64
  4. Step 4: Simplify right side
    36,115.68x = 1,046,541,982.01
  5. Step 5: Solve for x
    x = 1,046,541,982.01/36,115.68
  6. Step 6: Final answer
    x = 28,977.50

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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.