Home / 32,690.88-49,035.84-21,667.20

Finding the Fourth Proportional to 32,690.88, 49,035.84 and 21,667.20

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Solution

The fourth proportional to 32,690.88, 49,035.84 and 21,667.20 is: 32,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.88 : 49,035.84 = 21,667.20 : x
  2. Step 2: Convert to fraction form
    32,690.88/49,035.84 = 21,667.20/x
  3. Step 3: Cross multiply
    32,690.88x = 49,035.84 × 21,667.20
  4. Step 4: Simplify right side
    32,690.88x = 1,062,469,352.45
  5. Step 5: Solve for x
    x = 1,062,469,352.45/32,690.88
  6. Step 6: Final answer
    x = 32,500.48

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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.