Home / 47,377.09-71,064.65-15,789.44

Finding the Fourth Proportional to 47,377.09, 71,064.65 and 15,789.44

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Solution

The fourth proportional to 47,377.09, 71,064.65 and 15,789.44 is: 23,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.09 : 71,064.65 = 15,789.44 : x
  2. Step 2: Convert to fraction form
    47,377.09/71,064.65 = 15,789.44/x
  3. Step 3: Cross multiply
    47,377.09x = 71,064.65 × 15,789.44
  4. Step 4: Simplify right side
    47,377.09x = 1,122,071,027.30
  5. Step 5: Solve for x
    x = 1,122,071,027.30/47,377.09
  6. Step 6: Final answer
    x = 23,683.83

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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.