Home / 30,089.85-41,524-16,661.11

Finding the Fourth Proportional to 30,089.85, 41,524 and 16,661.11

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Solution

The fourth proportional to 30,089.85, 41,524 and 16,661.11 is: 22,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.85 : 41,524 = 16,661.11 : x
  2. Step 2: Convert to fraction form
    30,089.85/41,524 = 16,661.11/x
  3. Step 3: Cross multiply
    30,089.85x = 41,524 × 16,661.11
  4. Step 4: Simplify right side
    30,089.85x = 691,835,931.64
  5. Step 5: Solve for x
    x = 691,835,931.64/30,089.85
  6. Step 6: Final answer
    x = 22,992.34

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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.