Home / 32,772.12-45,229.38-18,627.12

Finding the Fourth Proportional to 32,772.12, 45,229.38 and 18,627.12

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Solution

The fourth proportional to 32,772.12, 45,229.38 and 18,627.12 is: 25,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.12 : 45,229.38 = 18,627.12 : x
  2. Step 2: Convert to fraction form
    32,772.12/45,229.38 = 18,627.12/x
  3. Step 3: Cross multiply
    32,772.12x = 45,229.38 × 18,627.12
  4. Step 4: Simplify right side
    32,772.12x = 842,493,088.79
  5. Step 5: Solve for x
    x = 842,493,088.79/32,772.12
  6. Step 6: Final answer
    x = 25,707.62

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Double scale
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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.