Home / 47,930.04-71,846.36-19,865.36

Finding the Fourth Proportional to 47,930.04, 71,846.36 and 19,865.36

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Solution

The fourth proportional to 47,930.04, 71,846.36 and 19,865.36 is: 29,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930.04 : 71,846.36 = 19,865.36 : x
  2. Step 2: Convert to fraction form
    47,930.04/71,846.36 = 19,865.36/x
  3. Step 3: Cross multiply
    47,930.04x = 71,846.36 × 19,865.36
  4. Step 4: Simplify right side
    47,930.04x = 1,427,253,960.87
  5. Step 5: Solve for x
    x = 1,427,253,960.87/47,930.04
  6. Step 6: Final answer
    x = 29,777.86

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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.