Home / 69,784.74-104,674.66-19,865.10

Finding the Fourth Proportional to 69,784.74, 104,674.66 and 19,865.10

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Solution

The fourth proportional to 69,784.74, 104,674.66 and 19,865.10 is: 29,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,784.74 : 104,674.66 = 19,865.10 : x
  2. Step 2: Convert to fraction form
    69,784.74/104,674.66 = 19,865.10/x
  3. Step 3: Cross multiply
    69,784.74x = 104,674.66 × 19,865.10
  4. Step 4: Simplify right side
    69,784.74x = 2,079,372,588.37
  5. Step 5: Solve for x
    x = 2,079,372,588.37/69,784.74
  6. Step 6: Final answer
    x = 29,796.95

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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.