Home / 30,161.72-45,242.58-17,025.14

Finding the Fourth Proportional to 30,161.72, 45,242.58 and 17,025.14

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Solution

The fourth proportional to 30,161.72, 45,242.58 and 17,025.14 is: 25,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.72 : 45,242.58 = 17,025.14 : x
  2. Step 2: Convert to fraction form
    30,161.72/45,242.58 = 17,025.14/x
  3. Step 3: Cross multiply
    30,161.72x = 45,242.58 × 17,025.14
  4. Step 4: Simplify right side
    30,161.72x = 770,261,258.46
  5. Step 5: Solve for x
    x = 770,261,258.46/30,161.72
  6. Step 6: Final answer
    x = 25,537.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.