Home / 47,891.22-71,836.80-12,829.98

Finding the Fourth Proportional to 47,891.22, 71,836.80 and 12,829.98

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Solution

The fourth proportional to 47,891.22, 71,836.80 and 12,829.98 is: 19,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.22 : 71,836.80 = 12,829.98 : x
  2. Step 2: Convert to fraction form
    47,891.22/71,836.80 = 12,829.98/x
  3. Step 3: Cross multiply
    47,891.22x = 71,836.80 × 12,829.98
  4. Step 4: Simplify right side
    47,891.22x = 921,664,707.26
  5. Step 5: Solve for x
    x = 921,664,707.26/47,891.22
  6. Step 6: Final answer
    x = 19,244.96

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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.