Home / 39,624.24-54,682.83-21,719.23

Finding the Fourth Proportional to 39,624.24, 54,682.83 and 21,719.23

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Solution

The fourth proportional to 39,624.24, 54,682.83 and 21,719.23 is: 29,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,624.24 : 54,682.83 = 21,719.23 : x
  2. Step 2: Convert to fraction form
    39,624.24/54,682.83 = 21,719.23/x
  3. Step 3: Cross multiply
    39,624.24x = 54,682.83 × 21,719.23
  4. Step 4: Simplify right side
    39,624.24x = 1,187,668,961.82
  5. Step 5: Solve for x
    x = 1,187,668,961.82/39,624.24
  6. Step 6: Final answer
    x = 29,973.29

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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.