Home / 47,789.10-71,585.10-28,007.70

Finding the Fourth Proportional to 47,789.10, 71,585.10 and 28,007.70

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Solution

The fourth proportional to 47,789.10, 71,585.10 and 28,007.70 is: 41,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,789.10 : 71,585.10 = 28,007.70 : x
  2. Step 2: Convert to fraction form
    47,789.10/71,585.10 = 28,007.70/x
  3. Step 3: Cross multiply
    47,789.10x = 71,585.10 × 28,007.70
  4. Step 4: Simplify right side
    47,789.10x = 2,004,934,005.27
  5. Step 5: Solve for x
    x = 2,004,934,005.27/47,789.10
  6. Step 6: Final answer
    x = 41,953.79

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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.