Home / 38,836.07-53,593.26-21,840.31

Finding the Fourth Proportional to 38,836.07, 53,593.26 and 21,840.31

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Solution

The fourth proportional to 38,836.07, 53,593.26 and 21,840.31 is: 30,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836.07 : 53,593.26 = 21,840.31 : x
  2. Step 2: Convert to fraction form
    38,836.07/53,593.26 = 21,840.31/x
  3. Step 3: Cross multiply
    38,836.07x = 53,593.26 × 21,840.31
  4. Step 4: Simplify right side
    38,836.07x = 1,170,493,278.33
  5. Step 5: Solve for x
    x = 1,170,493,278.33/38,836.07
  6. Step 6: Final answer
    x = 30,139.33

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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.