Home / 39,181.66-58,773.87-12,888.46

Finding the Fourth Proportional to 39,181.66, 58,773.87 and 12,888.46

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Solution

The fourth proportional to 39,181.66, 58,773.87 and 12,888.46 is: 19,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.66 : 58,773.87 = 12,888.46 : x
  2. Step 2: Convert to fraction form
    39,181.66/58,773.87 = 12,888.46/x
  3. Step 3: Cross multiply
    39,181.66x = 58,773.87 × 12,888.46
  4. Step 4: Simplify right side
    39,181.66x = 757,504,672.54
  5. Step 5: Solve for x
    x = 757,504,672.54/39,181.66
  6. Step 6: Final answer
    x = 19,333.14

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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.