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Finding the Fourth Proportional to 38,347.84, 57,747.85 and 33,474.88

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Solution

The fourth proportional to 38,347.84, 57,747.85 and 33,474.88 is: 50,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.84 : 57,747.85 = 33,474.88 : x
  2. Step 2: Convert to fraction form
    38,347.84/57,747.85 = 33,474.88/x
  3. Step 3: Cross multiply
    38,347.84x = 57,747.85 × 33,474.88
  4. Step 4: Simplify right side
    38,347.84x = 1,933,102,349.01
  5. Step 5: Solve for x
    x = 1,933,102,349.01/38,347.84
  6. Step 6: Final answer
    x = 50,409.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.