Home / 36,730.66-50,689.38-20,814.58

Finding the Fourth Proportional to 36,730.66, 50,689.38 and 20,814.58

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Solution

The fourth proportional to 36,730.66, 50,689.38 and 20,814.58 is: 28,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,730.66 : 50,689.38 = 20,814.58 : x
  2. Step 2: Convert to fraction form
    36,730.66/50,689.38 = 20,814.58/x
  3. Step 3: Cross multiply
    36,730.66x = 50,689.38 × 20,814.58
  4. Step 4: Simplify right side
    36,730.66x = 1,055,078,155.16
  5. Step 5: Solve for x
    x = 1,055,078,155.16/36,730.66
  6. Step 6: Final answer
    x = 28,724.73

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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.