Home / 32,757.11-45,191.68-20,653.61

Finding the Fourth Proportional to 32,757.11, 45,191.68 and 20,653.61

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Solution

The fourth proportional to 32,757.11, 45,191.68 and 20,653.61 is: 28,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,757.11 : 45,191.68 = 20,653.61 : x
  2. Step 2: Convert to fraction form
    32,757.11/45,191.68 = 20,653.61/x
  3. Step 3: Cross multiply
    32,757.11x = 45,191.68 × 20,653.61
  4. Step 4: Simplify right side
    32,757.11x = 933,371,056.37
  5. Step 5: Solve for x
    x = 933,371,056.37/32,757.11
  6. Step 6: Final answer
    x = 28,493.70

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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.