Home / 30,119.40-41,566.32-18,183.54

Finding the Fourth Proportional to 30,119.40, 41,566.32 and 18,183.54

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Solution

The fourth proportional to 30,119.40, 41,566.32 and 18,183.54 is: 25,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.40 : 41,566.32 = 18,183.54 : x
  2. Step 2: Convert to fraction form
    30,119.40/41,566.32 = 18,183.54/x
  3. Step 3: Cross multiply
    30,119.40x = 41,566.32 × 18,183.54
  4. Step 4: Simplify right side
    30,119.40x = 755,822,842.37
  5. Step 5: Solve for x
    x = 755,822,842.37/30,119.40
  6. Step 6: Final answer
    x = 25,094.22

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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.