Home / 38,906.56-53,700.66-22,149.28

Finding the Fourth Proportional to 38,906.56, 53,700.66 and 22,149.28

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Solution

The fourth proportional to 38,906.56, 53,700.66 and 22,149.28 is: 30,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.56 : 53,700.66 = 22,149.28 : x
  2. Step 2: Convert to fraction form
    38,906.56/53,700.66 = 22,149.28/x
  3. Step 3: Cross multiply
    38,906.56x = 53,700.66 × 22,149.28
  4. Step 4: Simplify right side
    38,906.56x = 1,189,430,954.52
  5. Step 5: Solve for x
    x = 1,189,430,954.52/38,906.56
  6. Step 6: Final answer
    x = 30,571.48

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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.