Home / 39,108.72-53,965.44-23,190.24

Finding the Fourth Proportional to 39,108.72, 53,965.44 and 23,190.24

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Solution

The fourth proportional to 39,108.72, 53,965.44 and 23,190.24 is: 31,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.72 : 53,965.44 = 23,190.24 : x
  2. Step 2: Convert to fraction form
    39,108.72/53,965.44 = 23,190.24/x
  3. Step 3: Cross multiply
    39,108.72x = 53,965.44 × 23,190.24
  4. Step 4: Simplify right side
    39,108.72x = 1,251,471,505.31
  5. Step 5: Solve for x
    x = 1,251,471,505.31/39,108.72
  6. Step 6: Final answer
    x = 31,999.81

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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.