Home / 32,983.32-45,500.19-20,863.38

Finding the Fourth Proportional to 32,983.32, 45,500.19 and 20,863.38

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Solution

The fourth proportional to 32,983.32, 45,500.19 and 20,863.38 is: 28,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,983.32 : 45,500.19 = 20,863.38 : x
  2. Step 2: Convert to fraction form
    32,983.32/45,500.19 = 20,863.38/x
  3. Step 3: Cross multiply
    32,983.32x = 45,500.19 × 20,863.38
  4. Step 4: Simplify right side
    32,983.32x = 949,287,913.15
  5. Step 5: Solve for x
    x = 949,287,913.15/32,983.32
  6. Step 6: Final answer
    x = 28,780.85

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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.