Home / 47,789.65-71,586.05-28,020.54

Finding the Fourth Proportional to 47,789.65, 71,586.05 and 28,020.54

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Solution

The fourth proportional to 47,789.65, 71,586.05 and 28,020.54 is: 41,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,789.65 : 71,586.05 = 28,020.54 : x
  2. Step 2: Convert to fraction form
    47,789.65/71,586.05 = 28,020.54/x
  3. Step 3: Cross multiply
    47,789.65x = 71,586.05 × 28,020.54
  4. Step 4: Simplify right side
    47,789.65x = 2,005,879,503.14
  5. Step 5: Solve for x
    x = 2,005,879,503.14/47,789.65
  6. Step 6: Final answer
    x = 41,973.09

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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.