Home / 31,836.86-47,738.79-16,852.10

Finding the Fourth Proportional to 31,836.86, 47,738.79 and 16,852.10

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Solution

The fourth proportional to 31,836.86, 47,738.79 and 16,852.10 is: 25,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.86 : 47,738.79 = 16,852.10 : x
  2. Step 2: Convert to fraction form
    31,836.86/47,738.79 = 16,852.10/x
  3. Step 3: Cross multiply
    31,836.86x = 47,738.79 × 16,852.10
  4. Step 4: Simplify right side
    31,836.86x = 804,498,862.96
  5. Step 5: Solve for x
    x = 804,498,862.96/31,836.86
  6. Step 6: Final answer
    x = 25,269.42

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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.