Home / 47,942.04-71,881.92-19,854.48

Finding the Fourth Proportional to 47,942.04, 71,881.92 and 19,854.48

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Solution

The fourth proportional to 47,942.04, 71,881.92 and 19,854.48 is: 29,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.04 : 71,881.92 = 19,854.48 : x
  2. Step 2: Convert to fraction form
    47,942.04/71,881.92 = 19,854.48/x
  3. Step 3: Cross multiply
    47,942.04x = 71,881.92 × 19,854.48
  4. Step 4: Simplify right side
    47,942.04x = 1,427,178,143.00
  5. Step 5: Solve for x
    x = 1,427,178,143.00/47,942.04
  6. Step 6: Final answer
    x = 29,768.82

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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.