Home / 39,719.36-59,450.96-21,922

Finding the Fourth Proportional to 39,719.36, 59,450.96 and 21,922

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Solution

The fourth proportional to 39,719.36, 59,450.96 and 21,922 is: 32,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.36 : 59,450.96 = 21,922 : x
  2. Step 2: Convert to fraction form
    39,719.36/59,450.96 = 21,922/x
  3. Step 3: Cross multiply
    39,719.36x = 59,450.96 × 21,922
  4. Step 4: Simplify right side
    39,719.36x = 1,303,283,945.12
  5. Step 5: Solve for x
    x = 1,303,283,945.12/39,719.36
  6. Step 6: Final answer
    x = 32,812.31

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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.