Home / 30,118.41-41,563.37-18,181.77

Finding the Fourth Proportional to 30,118.41, 41,563.37 and 18,181.77

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Solution

The fourth proportional to 30,118.41, 41,563.37 and 18,181.77 is: 25,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.41 : 41,563.37 = 18,181.77 : x
  2. Step 2: Convert to fraction form
    30,118.41/41,563.37 = 18,181.77/x
  3. Step 3: Cross multiply
    30,118.41x = 41,563.37 × 18,181.77
  4. Step 4: Simplify right side
    30,118.41x = 755,695,542.86
  5. Step 5: Solve for x
    x = 755,695,542.86/30,118.41
  6. Step 6: Final answer
    x = 25,090.82

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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.