Home / 57,680.55-86,513.40-18,241.65

Finding the Fourth Proportional to 57,680.55, 86,513.40 and 18,241.65

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Solution

The fourth proportional to 57,680.55, 86,513.40 and 18,241.65 is: 27,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680.55 : 86,513.40 = 18,241.65 : x
  2. Step 2: Convert to fraction form
    57,680.55/86,513.40 = 18,241.65/x
  3. Step 3: Cross multiply
    57,680.55x = 86,513.40 × 18,241.65
  4. Step 4: Simplify right side
    57,680.55x = 1,578,147,163.11
  5. Step 5: Solve for x
    x = 1,578,147,163.11/57,680.55
  6. Step 6: Final answer
    x = 27,360.13

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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.