Home / 52,218.09-72,062.19-30,997.44

Finding the Fourth Proportional to 52,218.09, 72,062.19 and 30,997.44

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Solution

The fourth proportional to 52,218.09, 72,062.19 and 30,997.44 is: 42,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.09 : 72,062.19 = 30,997.44 : x
  2. Step 2: Convert to fraction form
    52,218.09/72,062.19 = 30,997.44/x
  3. Step 3: Cross multiply
    52,218.09x = 72,062.19 × 30,997.44
  4. Step 4: Simplify right side
    52,218.09x = 2,233,743,410.79
  5. Step 5: Solve for x
    x = 2,233,743,410.79/52,218.09
  6. Step 6: Final answer
    x = 42,777.19

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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.