Home / 32,813.50-45,282.63-20,245.54

Finding the Fourth Proportional to 32,813.50, 45,282.63 and 20,245.54

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Solution

The fourth proportional to 32,813.50, 45,282.63 and 20,245.54 is: 27,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.50 : 45,282.63 = 20,245.54 : x
  2. Step 2: Convert to fraction form
    32,813.50/45,282.63 = 20,245.54/x
  3. Step 3: Cross multiply
    32,813.50x = 45,282.63 × 20,245.54
  4. Step 4: Simplify right side
    32,813.50x = 916,771,296.97
  5. Step 5: Solve for x
    x = 916,771,296.97/32,813.50
  6. Step 6: Final answer
    x = 27,938.85

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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.