Home / 47,882.22-71,823.30-12,820.98

Finding the Fourth Proportional to 47,882.22, 71,823.30 and 12,820.98

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Solution

The fourth proportional to 47,882.22, 71,823.30 and 12,820.98 is: 19,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,882.22 : 71,823.30 = 12,820.98 : x
  2. Step 2: Convert to fraction form
    47,882.22/71,823.30 = 12,820.98/x
  3. Step 3: Cross multiply
    47,882.22x = 71,823.30 × 12,820.98
  4. Step 4: Simplify right side
    47,882.22x = 920,845,092.83
  5. Step 5: Solve for x
    x = 920,845,092.83/47,882.22
  6. Step 6: Final answer
    x = 19,231.46

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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.