Home / 39,939.47-55,115.57-22,034.46

Finding the Fourth Proportional to 39,939.47, 55,115.57 and 22,034.46

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Solution

The fourth proportional to 39,939.47, 55,115.57 and 22,034.46 is: 30,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.47 : 55,115.57 = 22,034.46 : x
  2. Step 2: Convert to fraction form
    39,939.47/55,115.57 = 22,034.46/x
  3. Step 3: Cross multiply
    39,939.47x = 55,115.57 × 22,034.46
  4. Step 4: Simplify right side
    39,939.47x = 1,214,441,712.37
  5. Step 5: Solve for x
    x = 1,214,441,712.37/39,939.47
  6. Step 6: Final answer
    x = 30,407.06

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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.