Home / 39,947.44-55,127.64-23,180.08

Finding the Fourth Proportional to 39,947.44, 55,127.64 and 23,180.08

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Solution

The fourth proportional to 39,947.44, 55,127.64 and 23,180.08 is: 31,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.44 : 55,127.64 = 23,180.08 : x
  2. Step 2: Convert to fraction form
    39,947.44/55,127.64 = 23,180.08/x
  3. Step 3: Cross multiply
    39,947.44x = 55,127.64 × 23,180.08
  4. Step 4: Simplify right side
    39,947.44x = 1,277,863,105.41
  5. Step 5: Solve for x
    x = 1,277,863,105.41/39,947.44
  6. Step 6: Final answer
    x = 31,988.61

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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.