Home / 34,449.62-47,545.68-21,028.70

Finding the Fourth Proportional to 34,449.62, 47,545.68 and 21,028.70

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Solution

The fourth proportional to 34,449.62, 47,545.68 and 21,028.70 is: 29,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.62 : 47,545.68 = 21,028.70 : x
  2. Step 2: Convert to fraction form
    34,449.62/47,545.68 = 21,028.70/x
  3. Step 3: Cross multiply
    34,449.62x = 47,545.68 × 21,028.70
  4. Step 4: Simplify right side
    34,449.62x = 999,823,841.02
  5. Step 5: Solve for x
    x = 999,823,841.02/34,449.62
  6. Step 6: Final answer
    x = 29,022.78

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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.