Home / 32,788.08-45,233.10-20,220.12

Finding the Fourth Proportional to 32,788.08, 45,233.10 and 20,220.12

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Solution

The fourth proportional to 32,788.08, 45,233.10 and 20,220.12 is: 27,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.08 : 45,233.10 = 20,220.12 : x
  2. Step 2: Convert to fraction form
    32,788.08/45,233.10 = 20,220.12/x
  3. Step 3: Cross multiply
    32,788.08x = 45,233.10 × 20,220.12
  4. Step 4: Simplify right side
    32,788.08x = 914,618,709.97
  5. Step 5: Solve for x
    x = 914,618,709.97/32,788.08
  6. Step 6: Final answer
    x = 27,894.85

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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.