Home / 34,451.33-47,550.24-21,019.70

Finding the Fourth Proportional to 34,451.33, 47,550.24 and 21,019.70

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Solution

The fourth proportional to 34,451.33, 47,550.24 and 21,019.70 is: 29,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.33 : 47,550.24 = 21,019.70 : x
  2. Step 2: Convert to fraction form
    34,451.33/47,550.24 = 21,019.70/x
  3. Step 3: Cross multiply
    34,451.33x = 47,550.24 × 21,019.70
  4. Step 4: Simplify right side
    34,451.33x = 999,491,898.60
  5. Step 5: Solve for x
    x = 999,491,898.60/34,451.33
  6. Step 6: Final answer
    x = 29,011.71

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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.