Home / 30,127.98-41,575.68-16,699.80

Finding the Fourth Proportional to 30,127.98, 41,575.68 and 16,699.80

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Solution

The fourth proportional to 30,127.98, 41,575.68 and 16,699.80 is: 23,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.98 : 41,575.68 = 16,699.80 : x
  2. Step 2: Convert to fraction form
    30,127.98/41,575.68 = 16,699.80/x
  3. Step 3: Cross multiply
    30,127.98x = 41,575.68 × 16,699.80
  4. Step 4: Simplify right side
    30,127.98x = 694,305,540.86
  5. Step 5: Solve for x
    x = 694,305,540.86/30,127.98
  6. Step 6: Final answer
    x = 23,045.21

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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.