Home / 69,989.13-104,983.59-17,398.60

Finding the Fourth Proportional to 69,989.13, 104,983.59 and 17,398.60

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Solution

The fourth proportional to 69,989.13, 104,983.59 and 17,398.60 is: 26,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989.13 : 104,983.59 = 17,398.60 : x
  2. Step 2: Convert to fraction form
    69,989.13/104,983.59 = 17,398.60/x
  3. Step 3: Cross multiply
    69,989.13x = 104,983.59 × 17,398.60
  4. Step 4: Simplify right side
    69,989.13x = 1,826,567,291.76
  5. Step 5: Solve for x
    x = 1,826,567,291.76/69,989.13
  6. Step 6: Final answer
    x = 26,097.87

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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.