Home / 32,874.83-45,331.58-20,922.87

Finding the Fourth Proportional to 32,874.83, 45,331.58 and 20,922.87

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Solution

The fourth proportional to 32,874.83, 45,331.58 and 20,922.87 is: 28,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,874.83 : 45,331.58 = 20,922.87 : x
  2. Step 2: Convert to fraction form
    32,874.83/45,331.58 = 20,922.87/x
  3. Step 3: Cross multiply
    32,874.83x = 45,331.58 × 20,922.87
  4. Step 4: Simplify right side
    32,874.83x = 948,466,807.54
  5. Step 5: Solve for x
    x = 948,466,807.54/32,874.83
  6. Step 6: Final answer
    x = 28,850.85

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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.