Home / 39,832.56-54,933.48-31,434.48

Finding the Fourth Proportional to 39,832.56, 54,933.48 and 31,434.48

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Solution

The fourth proportional to 39,832.56, 54,933.48 and 31,434.48 is: 43,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.56 : 54,933.48 = 31,434.48 : x
  2. Step 2: Convert to fraction form
    39,832.56/54,933.48 = 31,434.48/x
  3. Step 3: Cross multiply
    39,832.56x = 54,933.48 × 31,434.48
  4. Step 4: Simplify right side
    39,832.56x = 1,726,805,378.39
  5. Step 5: Solve for x
    x = 1,726,805,378.39/39,832.56
  6. Step 6: Final answer
    x = 43,351.60

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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.