Home / 47,948.54-71,891.67-19,860.98

Finding the Fourth Proportional to 47,948.54, 71,891.67 and 19,860.98

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Solution

The fourth proportional to 47,948.54, 71,891.67 and 19,860.98 is: 29,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.54 : 71,891.67 = 19,860.98 : x
  2. Step 2: Convert to fraction form
    47,948.54/71,891.67 = 19,860.98/x
  3. Step 3: Cross multiply
    47,948.54x = 71,891.67 × 19,860.98
  4. Step 4: Simplify right side
    47,948.54x = 1,427,839,020.04
  5. Step 5: Solve for x
    x = 1,427,839,020.04/47,948.54
  6. Step 6: Final answer
    x = 29,778.57

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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.