Home / 47,795.03-71,677.98-12,730.13

Finding the Fourth Proportional to 47,795.03, 71,677.98 and 12,730.13

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Solution

The fourth proportional to 47,795.03, 71,677.98 and 12,730.13 is: 19,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795.03 : 71,677.98 = 12,730.13 : x
  2. Step 2: Convert to fraction form
    47,795.03/71,677.98 = 12,730.13/x
  3. Step 3: Cross multiply
    47,795.03x = 71,677.98 × 12,730.13
  4. Step 4: Simplify right side
    47,795.03x = 912,469,939.89
  5. Step 5: Solve for x
    x = 912,469,939.89/47,795.03
  6. Step 6: Final answer
    x = 19,091.31

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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.