Home / 39,583.24-54,624.84-21,679.36

Finding the Fourth Proportional to 39,583.24, 54,624.84 and 21,679.36

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Solution

The fourth proportional to 39,583.24, 54,624.84 and 21,679.36 is: 29,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,583.24 : 54,624.84 = 21,679.36 : x
  2. Step 2: Convert to fraction form
    39,583.24/54,624.84 = 21,679.36/x
  3. Step 3: Cross multiply
    39,583.24x = 54,624.84 × 21,679.36
  4. Step 4: Simplify right side
    39,583.24x = 1,184,231,571.30
  5. Step 5: Solve for x
    x = 1,184,231,571.30/39,583.24
  6. Step 6: Final answer
    x = 29,917.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.