Home / 57,760.53-86,640.17-18,316.59

Finding the Fourth Proportional to 57,760.53, 86,640.17 and 18,316.59

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Solution

The fourth proportional to 57,760.53, 86,640.17 and 18,316.59 is: 27,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.53 : 86,640.17 = 18,316.59 : x
  2. Step 2: Convert to fraction form
    57,760.53/86,640.17 = 18,316.59/x
  3. Step 3: Cross multiply
    57,760.53x = 86,640.17 × 18,316.59
  4. Step 4: Simplify right side
    57,760.53x = 1,586,952,379.84
  5. Step 5: Solve for x
    x = 1,586,952,379.84/57,760.53
  6. Step 6: Final answer
    x = 27,474.69

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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.