Home / 30,301.11-41,814.59-16,872.08

Finding the Fourth Proportional to 30,301.11, 41,814.59 and 16,872.08

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Solution

The fourth proportional to 30,301.11, 41,814.59 and 16,872.08 is: 23,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.11 : 41,814.59 = 16,872.08 : x
  2. Step 2: Convert to fraction form
    30,301.11/41,814.59 = 16,872.08/x
  3. Step 3: Cross multiply
    30,301.11x = 41,814.59 × 16,872.08
  4. Step 4: Simplify right side
    30,301.11x = 705,498,814.21
  5. Step 5: Solve for x
    x = 705,498,814.21/30,301.11
  6. Step 6: Final answer
    x = 23,282.94

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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.