Home / 39,141.76-54,013.92-22,375.84

Finding the Fourth Proportional to 39,141.76, 54,013.92 and 22,375.84

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Solution

The fourth proportional to 39,141.76, 54,013.92 and 22,375.84 is: 30,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.76 : 54,013.92 = 22,375.84 : x
  2. Step 2: Convert to fraction form
    39,141.76/54,013.92 = 22,375.84/x
  3. Step 3: Cross multiply
    39,141.76x = 54,013.92 × 22,375.84
  4. Step 4: Simplify right side
    39,141.76x = 1,208,606,831.69
  5. Step 5: Solve for x
    x = 1,208,606,831.69/39,141.76
  6. Step 6: Final answer
    x = 30,877.68

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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.