Home / 54,896.32-82,372.10-21,640.24

Finding the Fourth Proportional to 54,896.32, 82,372.10 and 21,640.24

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Solution

The fourth proportional to 54,896.32, 82,372.10 and 21,640.24 is: 32,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,896.32 : 82,372.10 = 21,640.24 : x
  2. Step 2: Convert to fraction form
    54,896.32/82,372.10 = 21,640.24/x
  3. Step 3: Cross multiply
    54,896.32x = 82,372.10 × 21,640.24
  4. Step 4: Simplify right side
    54,896.32x = 1,782,552,013.30
  5. Step 5: Solve for x
    x = 1,782,552,013.30/54,896.32
  6. Step 6: Final answer
    x = 32,471.25

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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.