Home / 39,212.54-54,076.41-30,245.84

Finding the Fourth Proportional to 39,212.54, 54,076.41 and 30,245.84

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Solution

The fourth proportional to 39,212.54, 54,076.41 and 30,245.84 is: 41,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212.54 : 54,076.41 = 30,245.84 : x
  2. Step 2: Convert to fraction form
    39,212.54/54,076.41 = 30,245.84/x
  3. Step 3: Cross multiply
    39,212.54x = 54,076.41 × 30,245.84
  4. Step 4: Simplify right side
    39,212.54x = 1,635,586,444.63
  5. Step 5: Solve for x
    x = 1,635,586,444.63/39,212.54
  6. Step 6: Final answer
    x = 41,710.80

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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.