Home / 30,090.79-41,524.78-16,661.75

Finding the Fourth Proportional to 30,090.79, 41,524.78 and 16,661.75

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Solution

The fourth proportional to 30,090.79, 41,524.78 and 16,661.75 is: 22,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.79 : 41,524.78 = 16,661.75 : x
  2. Step 2: Convert to fraction form
    30,090.79/41,524.78 = 16,661.75/x
  3. Step 3: Cross multiply
    30,090.79x = 41,524.78 × 16,661.75
  4. Step 4: Simplify right side
    30,090.79x = 691,875,635.49
  5. Step 5: Solve for x
    x = 691,875,635.49/30,090.79
  6. Step 6: Final answer
    x = 22,992.94

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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.