Home / 37,179.43-51,317.09-21,268.87

Finding the Fourth Proportional to 37,179.43, 51,317.09 and 21,268.87

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Solution

The fourth proportional to 37,179.43, 51,317.09 and 21,268.87 is: 29,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.43 : 51,317.09 = 21,268.87 : x
  2. Step 2: Convert to fraction form
    37,179.43/51,317.09 = 21,268.87/x
  3. Step 3: Cross multiply
    37,179.43x = 51,317.09 × 21,268.87
  4. Step 4: Simplify right side
    37,179.43x = 1,091,456,409.64
  5. Step 5: Solve for x
    x = 1,091,456,409.64/37,179.43
  6. Step 6: Final answer
    x = 29,356.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.