Home / 30,089.99-41,523.65-16,661.21

Finding the Fourth Proportional to 30,089.99, 41,523.65 and 16,661.21

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Solution

The fourth proportional to 30,089.99, 41,523.65 and 16,661.21 is: 22,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.99 : 41,523.65 = 16,661.21 : x
  2. Step 2: Convert to fraction form
    30,089.99/41,523.65 = 16,661.21/x
  3. Step 3: Cross multiply
    30,089.99x = 41,523.65 × 16,661.21
  4. Step 4: Simplify right side
    30,089.99x = 691,834,024.17
  5. Step 5: Solve for x
    x = 691,834,024.17/30,089.99
  6. Step 6: Final answer
    x = 22,992.16

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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.