Home / 57,028.48-78,696.96-31,533.22

Finding the Fourth Proportional to 57,028.48, 78,696.96 and 31,533.22

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Solution

The fourth proportional to 57,028.48, 78,696.96 and 31,533.22 is: 43,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.48 : 78,696.96 = 31,533.22 : x
  2. Step 2: Convert to fraction form
    57,028.48/78,696.96 = 31,533.22/x
  3. Step 3: Cross multiply
    57,028.48x = 78,696.96 × 31,533.22
  4. Step 4: Simplify right side
    57,028.48x = 2,481,568,553.01
  5. Step 5: Solve for x
    x = 2,481,568,553.01/57,028.48
  6. Step 6: Final answer
    x = 43,514.55

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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.