Home / 39,942.12-55,110.30-24,415.80

Finding the Fourth Proportional to 39,942.12, 55,110.30 and 24,415.80

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Solution

The fourth proportional to 39,942.12, 55,110.30 and 24,415.80 is: 33,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.12 : 55,110.30 = 24,415.80 : x
  2. Step 2: Convert to fraction form
    39,942.12/55,110.30 = 24,415.80/x
  3. Step 3: Cross multiply
    39,942.12x = 55,110.30 × 24,415.80
  4. Step 4: Simplify right side
    39,942.12x = 1,345,562,062.74
  5. Step 5: Solve for x
    x = 1,345,562,062.74/39,942.12
  6. Step 6: Final answer
    x = 33,687.80

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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.