Home / 30,301.22-41,813.62-16,872.12

Finding the Fourth Proportional to 30,301.22, 41,813.62 and 16,872.12

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Solution

The fourth proportional to 30,301.22, 41,813.62 and 16,872.12 is: 23,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.22 : 41,813.62 = 16,872.12 : x
  2. Step 2: Convert to fraction form
    30,301.22/41,813.62 = 16,872.12/x
  3. Step 3: Cross multiply
    30,301.22x = 41,813.62 × 16,872.12
  4. Step 4: Simplify right side
    30,301.22x = 705,484,372.09
  5. Step 5: Solve for x
    x = 705,484,372.09/30,301.22
  6. Step 6: Final answer
    x = 23,282.37

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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.