Home / 39,912.63-55,079.79-22,008.27

Finding the Fourth Proportional to 39,912.63, 55,079.79 and 22,008.27

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Solution

The fourth proportional to 39,912.63, 55,079.79 and 22,008.27 is: 30,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.63 : 55,079.79 = 22,008.27 : x
  2. Step 2: Convert to fraction form
    39,912.63/55,079.79 = 22,008.27/x
  3. Step 3: Cross multiply
    39,912.63x = 55,079.79 × 22,008.27
  4. Step 4: Simplify right side
    39,912.63x = 1,212,210,889.86
  5. Step 5: Solve for x
    x = 1,212,210,889.86/39,912.63
  6. Step 6: Final answer
    x = 30,371.61

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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.