Home / 47,988.20-71,951.48-19,927.64

Finding the Fourth Proportional to 47,988.20, 71,951.48 and 19,927.64

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Solution

The fourth proportional to 47,988.20, 71,951.48 and 19,927.64 is: 29,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,988.20 : 71,951.48 = 19,927.64 : x
  2. Step 2: Convert to fraction form
    47,988.20/71,951.48 = 19,927.64/x
  3. Step 3: Cross multiply
    47,988.20x = 71,951.48 × 19,927.64
  4. Step 4: Simplify right side
    47,988.20x = 1,433,823,190.91
  5. Step 5: Solve for x
    x = 1,433,823,190.91/47,988.20
  6. Step 6: Final answer
    x = 29,878.66

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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.