Home / 30,090.72-41,524.56-16,661.52

Finding the Fourth Proportional to 30,090.72, 41,524.56 and 16,661.52

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Solution

The fourth proportional to 30,090.72, 41,524.56 and 16,661.52 is: 22,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.72 : 41,524.56 = 16,661.52 : x
  2. Step 2: Convert to fraction form
    30,090.72/41,524.56 = 16,661.52/x
  3. Step 3: Cross multiply
    30,090.72x = 41,524.56 × 16,661.52
  4. Step 4: Simplify right side
    30,090.72x = 691,862,286.93
  5. Step 5: Solve for x
    x = 691,862,286.93/30,090.72
  6. Step 6: Final answer
    x = 22,992.55

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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.