Home / 57,799.41-86,701.61-19,874.80

Finding the Fourth Proportional to 57,799.41, 86,701.61 and 19,874.80

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Solution

The fourth proportional to 57,799.41, 86,701.61 and 19,874.80 is: 29,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799.41 : 86,701.61 = 19,874.80 : x
  2. Step 2: Convert to fraction form
    57,799.41/86,701.61 = 19,874.80/x
  3. Step 3: Cross multiply
    57,799.41x = 86,701.61 × 19,874.80
  4. Step 4: Simplify right side
    57,799.41x = 1,723,177,158.43
  5. Step 5: Solve for x
    x = 1,723,177,158.43/57,799.41
  6. Step 6: Final answer
    x = 29,813.06

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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.