Home / 34,280.92-51,408.42-18,690.04

Finding the Fourth Proportional to 34,280.92, 51,408.42 and 18,690.04

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Solution

The fourth proportional to 34,280.92, 51,408.42 and 18,690.04 is: 28,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.92 : 51,408.42 = 18,690.04 : x
  2. Step 2: Convert to fraction form
    34,280.92/51,408.42 = 18,690.04/x
  3. Step 3: Cross multiply
    34,280.92x = 51,408.42 × 18,690.04
  4. Step 4: Simplify right side
    34,280.92x = 960,825,426.14
  5. Step 5: Solve for x
    x = 960,825,426.14/34,280.92
  6. Step 6: Final answer
    x = 28,027.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.