Home / 34,408.08-47,480.76-20,257.92

Finding the Fourth Proportional to 34,408.08, 47,480.76 and 20,257.92

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Solution

The fourth proportional to 34,408.08, 47,480.76 and 20,257.92 is: 27,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.08 : 47,480.76 = 20,257.92 : x
  2. Step 2: Convert to fraction form
    34,408.08/47,480.76 = 20,257.92/x
  3. Step 3: Cross multiply
    34,408.08x = 47,480.76 × 20,257.92
  4. Step 4: Simplify right side
    34,408.08x = 961,861,437.62
  5. Step 5: Solve for x
    x = 961,861,437.62/34,408.08
  6. Step 6: Final answer
    x = 27,954.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.