Home / 34,217.99-47,193.72-20,788.87

Finding the Fourth Proportional to 34,217.99, 47,193.72 and 20,788.87

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Solution

The fourth proportional to 34,217.99, 47,193.72 and 20,788.87 is: 28,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.99 : 47,193.72 = 20,788.87 : x
  2. Step 2: Convert to fraction form
    34,217.99/47,193.72 = 20,788.87/x
  3. Step 3: Cross multiply
    34,217.99x = 47,193.72 × 20,788.87
  4. Step 4: Simplify right side
    34,217.99x = 981,103,873.93
  5. Step 5: Solve for x
    x = 981,103,873.93/34,217.99
  6. Step 6: Final answer
    x = 28,672.17

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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.