Home / 47,379.48-71,045.44-15,778.42

Finding the Fourth Proportional to 47,379.48, 71,045.44 and 15,778.42

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Solution

The fourth proportional to 47,379.48, 71,045.44 and 15,778.42 is: 23,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.48 : 71,045.44 = 15,778.42 : x
  2. Step 2: Convert to fraction form
    47,379.48/71,045.44 = 15,778.42/x
  3. Step 3: Cross multiply
    47,379.48x = 71,045.44 × 15,778.42
  4. Step 4: Simplify right side
    47,379.48x = 1,120,984,791.40
  5. Step 5: Solve for x
    x = 1,120,984,791.40/47,379.48
  6. Step 6: Final answer
    x = 23,659.71

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1.5x scale

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.