Home / 29,170.68-43,690.35-20,444.55

Finding the Fourth Proportional to 29,170.68, 43,690.35 and 20,444.55

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Solution

The fourth proportional to 29,170.68, 43,690.35 and 20,444.55 is: 30,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.68 : 43,690.35 = 20,444.55 : x
  2. Step 2: Convert to fraction form
    29,170.68/43,690.35 = 20,444.55/x
  3. Step 3: Cross multiply
    29,170.68x = 43,690.35 × 20,444.55
  4. Step 4: Simplify right side
    29,170.68x = 893,229,545.09
  5. Step 5: Solve for x
    x = 893,229,545.09/29,170.68
  6. Step 6: Final answer
    x = 30,620.80

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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.