Home / 57,850.46-86,777.60-19,899.35

Finding the Fourth Proportional to 57,850.46, 86,777.60 and 19,899.35

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Solution

The fourth proportional to 57,850.46, 86,777.60 and 19,899.35 is: 29,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.46 : 86,777.60 = 19,899.35 : x
  2. Step 2: Convert to fraction form
    57,850.46/86,777.60 = 19,899.35/x
  3. Step 3: Cross multiply
    57,850.46x = 86,777.60 × 19,899.35
  4. Step 4: Simplify right side
    57,850.46x = 1,726,817,424.50
  5. Step 5: Solve for x
    x = 1,726,817,424.50/57,850.46
  6. Step 6: Final answer
    x = 29,849.68

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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.