Home / 31,984.54-47,976.76-8,611.00

Finding the Fourth Proportional to 31,984.54, 47,976.76 and 8,611.00

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Solution

The fourth proportional to 31,984.54, 47,976.76 and 8,611.00 is: 12,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.54 : 47,976.76 = 8,611.00 : x
  2. Step 2: Convert to fraction form
    31,984.54/47,976.76 = 8,611.00/x
  3. Step 3: Cross multiply
    31,984.54x = 47,976.76 × 8,611.00
  4. Step 4: Simplify right side
    31,984.54x = 413,127,771.18
  5. Step 5: Solve for x
    x = 413,127,771.18/31,984.54
  6. Step 6: Final answer
    x = 12,916.48

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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.