Home / 47,488.75-71,233.25-19,408.80

Finding the Fourth Proportional to 47,488.75, 71,233.25 and 19,408.80

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Solution

The fourth proportional to 47,488.75, 71,233.25 and 19,408.80 is: 29,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488.75 : 71,233.25 = 19,408.80 : x
  2. Step 2: Convert to fraction form
    47,488.75/71,233.25 = 19,408.80/x
  3. Step 3: Cross multiply
    47,488.75x = 71,233.25 × 19,408.80
  4. Step 4: Simplify right side
    47,488.75x = 1,382,552,181.86
  5. Step 5: Solve for x
    x = 1,382,552,181.86/47,488.75
  6. Step 6: Final answer
    x = 29,113.26

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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.