Home / 19,629.85-29,440.34-5,589.56

Finding the Fourth Proportional to 19,629.85, 29,440.34 and 5,589.56

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Solution

The fourth proportional to 19,629.85, 29,440.34 and 5,589.56 is: 8,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.85 : 29,440.34 = 5,589.56 : x
  2. Step 2: Convert to fraction form
    19,629.85/29,440.34 = 5,589.56/x
  3. Step 3: Cross multiply
    19,629.85x = 29,440.34 × 5,589.56
  4. Step 4: Simplify right side
    19,629.85x = 164,558,546.85
  5. Step 5: Solve for x
    x = 164,558,546.85/19,629.85
  6. Step 6: Final answer
    x = 8,383.08

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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.