Home / 29,920.57-41,292.18-16,491.80

Finding the Fourth Proportional to 29,920.57, 41,292.18 and 16,491.80

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Solution

The fourth proportional to 29,920.57, 41,292.18 and 16,491.80 is: 22,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.57 : 41,292.18 = 16,491.80 : x
  2. Step 2: Convert to fraction form
    29,920.57/41,292.18 = 16,491.80/x
  3. Step 3: Cross multiply
    29,920.57x = 41,292.18 × 16,491.80
  4. Step 4: Simplify right side
    29,920.57x = 680,982,477.35
  5. Step 5: Solve for x
    x = 680,982,477.35/29,920.57
  6. Step 6: Final answer
    x = 22,759.68

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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.