Home / 30,112.66-41,556.90-18,175.74

Finding the Fourth Proportional to 30,112.66, 41,556.90 and 18,175.74

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Solution

The fourth proportional to 30,112.66, 41,556.90 and 18,175.74 is: 25,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.66 : 41,556.90 = 18,175.74 : x
  2. Step 2: Convert to fraction form
    30,112.66/41,556.90 = 18,175.74/x
  3. Step 3: Cross multiply
    30,112.66x = 41,556.90 × 18,175.74
  4. Step 4: Simplify right side
    30,112.66x = 755,327,409.61
  5. Step 5: Solve for x
    x = 755,327,409.61/30,112.66
  6. Step 6: Final answer
    x = 25,083.38

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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.