Home / 39,597.30-54,645.44-21,693.33

Finding the Fourth Proportional to 39,597.30, 54,645.44 and 21,693.33

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Solution

The fourth proportional to 39,597.30, 54,645.44 and 21,693.33 is: 29,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.30 : 54,645.44 = 21,693.33 : x
  2. Step 2: Convert to fraction form
    39,597.30/54,645.44 = 21,693.33/x
  3. Step 3: Cross multiply
    39,597.30x = 54,645.44 × 21,693.33
  4. Step 4: Simplify right side
    39,597.30x = 1,185,441,454.45
  5. Step 5: Solve for x
    x = 1,185,441,454.45/39,597.30
  6. Step 6: Final answer
    x = 29,937.43

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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.