Home / 36,731.62-50,689.44-20,819.08

Finding the Fourth Proportional to 36,731.62, 50,689.44 and 20,819.08

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Solution

The fourth proportional to 36,731.62, 50,689.44 and 20,819.08 is: 28,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,731.62 : 50,689.44 = 20,819.08 : x
  2. Step 2: Convert to fraction form
    36,731.62/50,689.44 = 20,819.08/x
  3. Step 3: Cross multiply
    36,731.62x = 50,689.44 × 20,819.08
  4. Step 4: Simplify right side
    36,731.62x = 1,055,307,506.52
  5. Step 5: Solve for x
    x = 1,055,307,506.52/36,731.62
  6. Step 6: Final answer
    x = 28,730.22

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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.