Home / 38,659.76-53,349.56-22,745.23

Finding the Fourth Proportional to 38,659.76, 53,349.56 and 22,745.23

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Solution

The fourth proportional to 38,659.76, 53,349.56 and 22,745.23 is: 31,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.76 : 53,349.56 = 22,745.23 : x
  2. Step 2: Convert to fraction form
    38,659.76/53,349.56 = 22,745.23/x
  3. Step 3: Cross multiply
    38,659.76x = 53,349.56 × 22,745.23
  4. Step 4: Simplify right side
    38,659.76x = 1,213,448,012.60
  5. Step 5: Solve for x
    x = 1,213,448,012.60/38,659.76
  6. Step 6: Final answer
    x = 31,387.88

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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.