Home / 69,749.18-104,622.82-17,159.12

Finding the Fourth Proportional to 69,749.18, 104,622.82 and 17,159.12

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Solution

The fourth proportional to 69,749.18, 104,622.82 and 17,159.12 is: 25,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,749.18 : 104,622.82 = 17,159.12 : x
  2. Step 2: Convert to fraction form
    69,749.18/104,622.82 = 17,159.12/x
  3. Step 3: Cross multiply
    69,749.18x = 104,622.82 × 17,159.12
  4. Step 4: Simplify right side
    69,749.18x = 1,795,235,523.12
  5. Step 5: Solve for x
    x = 1,795,235,523.12/69,749.18
  6. Step 6: Final answer
    x = 25,738.45

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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.