Home / 38,659.89-53,349.73-22,745.36

Finding the Fourth Proportional to 38,659.89, 53,349.73 and 22,745.36

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Solution

The fourth proportional to 38,659.89, 53,349.73 and 22,745.36 is: 31,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.89 : 53,349.73 = 22,745.36 : x
  2. Step 2: Convert to fraction form
    38,659.89/53,349.73 = 22,745.36/x
  3. Step 3: Cross multiply
    38,659.89x = 53,349.73 × 22,745.36
  4. Step 4: Simplify right side
    38,659.89x = 1,213,458,548.00
  5. Step 5: Solve for x
    x = 1,213,458,548.00/38,659.89
  6. Step 6: Final answer
    x = 31,388.05

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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.