Home / 36,129.97-54,221.58-17,154.69

Finding the Fourth Proportional to 36,129.97, 54,221.58 and 17,154.69

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Solution

The fourth proportional to 36,129.97, 54,221.58 and 17,154.69 is: 25,744.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.97 : 54,221.58 = 17,154.69 : x
  2. Step 2: Convert to fraction form
    36,129.97/54,221.58 = 17,154.69/x
  3. Step 3: Cross multiply
    36,129.97x = 54,221.58 × 17,154.69
  4. Step 4: Simplify right side
    36,129.97x = 930,154,144.63
  5. Step 5: Solve for x
    x = 930,154,144.63/36,129.97
  6. Step 6: Final answer
    x = 25,744.67

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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.