Home / 57,657.72-86,497.38-18,224.76

Finding the Fourth Proportional to 57,657.72, 86,497.38 and 18,224.76

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Solution

The fourth proportional to 57,657.72, 86,497.38 and 18,224.76 is: 27,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,657.72 : 86,497.38 = 18,224.76 : x
  2. Step 2: Convert to fraction form
    57,657.72/86,497.38 = 18,224.76/x
  3. Step 3: Cross multiply
    57,657.72x = 86,497.38 × 18,224.76
  4. Step 4: Simplify right side
    57,657.72x = 1,576,393,991.13
  5. Step 5: Solve for x
    x = 1,576,393,991.13/57,657.72
  6. Step 6: Final answer
    x = 27,340.55

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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.