Home / 57,896.78-86,844.15-18,453.56

Finding the Fourth Proportional to 57,896.78, 86,844.15 and 18,453.56

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Solution

The fourth proportional to 57,896.78, 86,844.15 and 18,453.56 is: 27,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.78 : 86,844.15 = 18,453.56 : x
  2. Step 2: Convert to fraction form
    57,896.78/86,844.15 = 18,453.56/x
  3. Step 3: Cross multiply
    57,896.78x = 86,844.15 × 18,453.56
  4. Step 4: Simplify right side
    57,896.78x = 1,602,583,298.45
  5. Step 5: Solve for x
    x = 1,602,583,298.45/57,896.78
  6. Step 6: Final answer
    x = 27,680.01

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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.