Home / 40,219.41-55,469.34-30,170.16

Finding the Fourth Proportional to 40,219.41, 55,469.34 and 30,170.16

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Solution

The fourth proportional to 40,219.41, 55,469.34 and 30,170.16 is: 41,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.41 : 55,469.34 = 30,170.16 : x
  2. Step 2: Convert to fraction form
    40,219.41/55,469.34 = 30,170.16/x
  3. Step 3: Cross multiply
    40,219.41x = 55,469.34 × 30,170.16
  4. Step 4: Simplify right side
    40,219.41x = 1,673,518,862.89
  5. Step 5: Solve for x
    x = 1,673,518,862.89/40,219.41
  6. Step 6: Final answer
    x = 41,609.73

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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.