Home / 57,627.42-86,441.15-18,187.62

Finding the Fourth Proportional to 57,627.42, 86,441.15 and 18,187.62

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Solution

The fourth proportional to 57,627.42, 86,441.15 and 18,187.62 is: 27,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,627.42 : 86,441.15 = 18,187.62 : x
  2. Step 2: Convert to fraction form
    57,627.42/86,441.15 = 18,187.62/x
  3. Step 3: Cross multiply
    57,627.42x = 86,441.15 × 18,187.62
  4. Step 4: Simplify right side
    57,627.42x = 1,572,158,788.56
  5. Step 5: Solve for x
    x = 1,572,158,788.56/57,627.42
  6. Step 6: Final answer
    x = 27,281.44

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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.