Home / 20,042.08-30,029.16-14,170

Finding the Fourth Proportional to 20,042.08, 30,029.16 and 14,170

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Solution

The fourth proportional to 20,042.08, 30,029.16 and 14,170 is: 21,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.08 : 30,029.16 = 14,170 : x
  2. Step 2: Convert to fraction form
    20,042.08/30,029.16 = 14,170/x
  3. Step 3: Cross multiply
    20,042.08x = 30,029.16 × 14,170
  4. Step 4: Simplify right side
    20,042.08x = 425,513,197.20
  5. Step 5: Solve for x
    x = 425,513,197.20/20,042.08
  6. Step 6: Final answer
    x = 21,230.99

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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.