Home / 69,682.36-104,523.50-19,762.89

Finding the Fourth Proportional to 69,682.36, 104,523.50 and 19,762.89

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Solution

The fourth proportional to 69,682.36, 104,523.50 and 19,762.89 is: 29,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682.36 : 104,523.50 = 19,762.89 : x
  2. Step 2: Convert to fraction form
    69,682.36/104,523.50 = 19,762.89/x
  3. Step 3: Cross multiply
    69,682.36x = 104,523.50 × 19,762.89
  4. Step 4: Simplify right side
    69,682.36x = 2,065,686,482.32
  5. Step 5: Solve for x
    x = 2,065,686,482.32/69,682.36
  6. Step 6: Final answer
    x = 29,644.33

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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.