Home / 57,634.08-86,447.88-20,179.68

Finding the Fourth Proportional to 57,634.08, 86,447.88 and 20,179.68

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Solution

The fourth proportional to 57,634.08, 86,447.88 and 20,179.68 is: 30,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,634.08 : 86,447.88 = 20,179.68 : x
  2. Step 2: Convert to fraction form
    57,634.08/86,447.88 = 20,179.68/x
  3. Step 3: Cross multiply
    57,634.08x = 86,447.88 × 20,179.68
  4. Step 4: Simplify right side
    57,634.08x = 1,744,490,555.08
  5. Step 5: Solve for x
    x = 1,744,490,555.08/57,634.08
  6. Step 6: Final answer
    x = 30,268.39

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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.