Home / 30,127.98-41,575.77-18,186.96

Finding the Fourth Proportional to 30,127.98, 41,575.77 and 18,186.96

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Solution

The fourth proportional to 30,127.98, 41,575.77 and 18,186.96 is: 25,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.98 : 41,575.77 = 18,186.96 : x
  2. Step 2: Convert to fraction form
    30,127.98/41,575.77 = 18,186.96/x
  3. Step 3: Cross multiply
    30,127.98x = 41,575.77 × 18,186.96
  4. Step 4: Simplify right side
    30,127.98x = 756,136,865.96
  5. Step 5: Solve for x
    x = 756,136,865.96/30,127.98
  6. Step 6: Final answer
    x = 25,097.50

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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.