Home / 69,749.88-104,629.58-19,833.90

Finding the Fourth Proportional to 69,749.88, 104,629.58 and 19,833.90

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Solution

The fourth proportional to 69,749.88, 104,629.58 and 19,833.90 is: 29,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,749.88 : 104,629.58 = 19,833.90 : x
  2. Step 2: Convert to fraction form
    69,749.88/104,629.58 = 19,833.90/x
  3. Step 3: Cross multiply
    69,749.88x = 104,629.58 × 19,833.90
  4. Step 4: Simplify right side
    69,749.88x = 2,075,212,626.76
  5. Step 5: Solve for x
    x = 2,075,212,626.76/69,749.88
  6. Step 6: Final answer
    x = 29,752.20

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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.