Home / 39,664.89-54,739.02-23,540.55

Finding the Fourth Proportional to 39,664.89, 54,739.02 and 23,540.55

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Solution

The fourth proportional to 39,664.89, 54,739.02 and 23,540.55 is: 32,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.89 : 54,739.02 = 23,540.55 : x
  2. Step 2: Convert to fraction form
    39,664.89/54,739.02 = 23,540.55/x
  3. Step 3: Cross multiply
    39,664.89x = 54,739.02 × 23,540.55
  4. Step 4: Simplify right side
    39,664.89x = 1,288,586,475.60
  5. Step 5: Solve for x
    x = 1,288,586,475.60/39,664.89
  6. Step 6: Final answer
    x = 32,486.83

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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.