Home / 39,561.80-54,607.00-28,213.33

Finding the Fourth Proportional to 39,561.80, 54,607.00 and 28,213.33

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Solution

The fourth proportional to 39,561.80, 54,607.00 and 28,213.33 is: 38,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.80 : 54,607.00 = 28,213.33 : x
  2. Step 2: Convert to fraction form
    39,561.80/54,607.00 = 28,213.33/x
  3. Step 3: Cross multiply
    39,561.80x = 54,607.00 × 28,213.33
  4. Step 4: Simplify right side
    39,561.80x = 1,540,644,989.50
  5. Step 5: Solve for x
    x = 1,540,644,989.50/39,561.80
  6. Step 6: Final answer
    x = 38,942.74

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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.