Home / 69,881.24-104,796.48-30,428.84

Finding the Fourth Proportional to 69,881.24, 104,796.48 and 30,428.84

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Solution

The fourth proportional to 69,881.24, 104,796.48 and 30,428.84 is: 45,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,881.24 : 104,796.48 = 30,428.84 : x
  2. Step 2: Convert to fraction form
    69,881.24/104,796.48 = 30,428.84/x
  3. Step 3: Cross multiply
    69,881.24x = 104,796.48 × 30,428.84
  4. Step 4: Simplify right side
    69,881.24x = 3,188,835,322.48
  5. Step 5: Solve for x
    x = 3,188,835,322.48/69,881.24
  6. Step 6: Final answer
    x = 45,632.21

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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.