Home / 31,861.08-47,791.89-11,070

Finding the Fourth Proportional to 31,861.08, 47,791.89 and 11,070

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Solution

The fourth proportional to 31,861.08, 47,791.89 and 11,070 is: 16,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.08 : 47,791.89 = 11,070 : x
  2. Step 2: Convert to fraction form
    31,861.08/47,791.89 = 11,070/x
  3. Step 3: Cross multiply
    31,861.08x = 47,791.89 × 11,070
  4. Step 4: Simplify right side
    31,861.08x = 529,056,222.30
  5. Step 5: Solve for x
    x = 529,056,222.30/31,861.08
  6. Step 6: Final answer
    x = 16,605.09

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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.