Home / 31,942.38-47,914.02-12,221.94

Finding the Fourth Proportional to 31,942.38, 47,914.02 and 12,221.94

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Solution

The fourth proportional to 31,942.38, 47,914.02 and 12,221.94 is: 18,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.38 : 47,914.02 = 12,221.94 : x
  2. Step 2: Convert to fraction form
    31,942.38/47,914.02 = 12,221.94/x
  3. Step 3: Cross multiply
    31,942.38x = 47,914.02 × 12,221.94
  4. Step 4: Simplify right side
    31,942.38x = 585,602,277.60
  5. Step 5: Solve for x
    x = 585,602,277.60/31,942.38
  6. Step 6: Final answer
    x = 18,333.08

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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.