Home / 39,939.52-55,116.84-22,035.10

Finding the Fourth Proportional to 39,939.52, 55,116.84 and 22,035.10

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Solution

The fourth proportional to 39,939.52, 55,116.84 and 22,035.10 is: 30,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.52 : 55,116.84 = 22,035.10 : x
  2. Step 2: Convert to fraction form
    39,939.52/55,116.84 = 22,035.10/x
  3. Step 3: Cross multiply
    39,939.52x = 55,116.84 × 22,035.10
  4. Step 4: Simplify right side
    39,939.52x = 1,214,505,081.08
  5. Step 5: Solve for x
    x = 1,214,505,081.08/39,939.52
  6. Step 6: Final answer
    x = 30,408.60

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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.