Home / 53,018.88-73,172.40-31,797.44

Finding the Fourth Proportional to 53,018.88, 73,172.40 and 31,797.44

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Solution

The fourth proportional to 53,018.88, 73,172.40 and 31,797.44 is: 43,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.88 : 73,172.40 = 31,797.44 : x
  2. Step 2: Convert to fraction form
    53,018.88/73,172.40 = 31,797.44/x
  3. Step 3: Cross multiply
    53,018.88x = 73,172.40 × 31,797.44
  4. Step 4: Simplify right side
    53,018.88x = 2,326,694,998.66
  5. Step 5: Solve for x
    x = 2,326,694,998.66/53,018.88
  6. Step 6: Final answer
    x = 43,884.27

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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.