Home / 39,951.36-55,119.36-23,178.24

Finding the Fourth Proportional to 39,951.36, 55,119.36 and 23,178.24

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Solution

The fourth proportional to 39,951.36, 55,119.36 and 23,178.24 is: 31,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.36 : 55,119.36 = 23,178.24 : x
  2. Step 2: Convert to fraction form
    39,951.36/55,119.36 = 23,178.24/x
  3. Step 3: Cross multiply
    39,951.36x = 55,119.36 × 23,178.24
  4. Step 4: Simplify right side
    39,951.36x = 1,277,569,754.73
  5. Step 5: Solve for x
    x = 1,277,569,754.73/39,951.36
  6. Step 6: Final answer
    x = 31,978.13

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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.