Home / 69,785.02-104,661.81-19,864.01

Finding the Fourth Proportional to 69,785.02, 104,661.81 and 19,864.01

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Solution

The fourth proportional to 69,785.02, 104,661.81 and 19,864.01 is: 29,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.02 : 104,661.81 = 19,864.01 : x
  2. Step 2: Convert to fraction form
    69,785.02/104,661.81 = 19,864.01/x
  3. Step 3: Cross multiply
    69,785.02x = 104,661.81 × 19,864.01
  4. Step 4: Simplify right side
    69,785.02x = 2,079,003,240.46
  5. Step 5: Solve for x
    x = 2,079,003,240.46/69,785.02
  6. Step 6: Final answer
    x = 29,791.54

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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.