Home / 33,078.09-49,617.30-16,434.21

Finding the Fourth Proportional to 33,078.09, 49,617.30 and 16,434.21

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Solution

The fourth proportional to 33,078.09, 49,617.30 and 16,434.21 is: 24,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.09 : 49,617.30 = 16,434.21 : x
  2. Step 2: Convert to fraction form
    33,078.09/49,617.30 = 16,434.21/x
  3. Step 3: Cross multiply
    33,078.09x = 49,617.30 × 16,434.21
  4. Step 4: Simplify right side
    33,078.09x = 815,421,127.83
  5. Step 5: Solve for x
    x = 815,421,127.83/33,078.09
  6. Step 6: Final answer
    x = 24,651.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.