Home / 39,353.08-54,306.54-21,447.96

Finding the Fourth Proportional to 39,353.08, 54,306.54 and 21,447.96

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Solution

The fourth proportional to 39,353.08, 54,306.54 and 21,447.96 is: 29,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.08 : 54,306.54 = 21,447.96 : x
  2. Step 2: Convert to fraction form
    39,353.08/54,306.54 = 21,447.96/x
  3. Step 3: Cross multiply
    39,353.08x = 54,306.54 × 21,447.96
  4. Step 4: Simplify right side
    39,353.08x = 1,164,764,497.66
  5. Step 5: Solve for x
    x = 1,164,764,497.66/39,353.08
  6. Step 6: Final answer
    x = 29,597.80

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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.