Home / 47,939.95-71,901.50-12,871.41

Finding the Fourth Proportional to 47,939.95, 71,901.50 and 12,871.41

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Solution

The fourth proportional to 47,939.95, 71,901.50 and 12,871.41 is: 19,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.95 : 71,901.50 = 12,871.41 : x
  2. Step 2: Convert to fraction form
    47,939.95/71,901.50 = 12,871.41/x
  3. Step 3: Cross multiply
    47,939.95x = 71,901.50 × 12,871.41
  4. Step 4: Simplify right side
    47,939.95x = 925,473,388.33
  5. Step 5: Solve for x
    x = 925,473,388.33/47,939.95
  6. Step 6: Final answer
    x = 19,304.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.