Home / 39,574.08-54,609.73-21,669.30

Finding the Fourth Proportional to 39,574.08, 54,609.73 and 21,669.30

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Solution

The fourth proportional to 39,574.08, 54,609.73 and 21,669.30 is: 29,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.08 : 54,609.73 = 21,669.30 : x
  2. Step 2: Convert to fraction form
    39,574.08/54,609.73 = 21,669.30/x
  3. Step 3: Cross multiply
    39,574.08x = 54,609.73 × 21,669.30
  4. Step 4: Simplify right side
    39,574.08x = 1,183,354,568.12
  5. Step 5: Solve for x
    x = 1,183,354,568.12/39,574.08
  6. Step 6: Final answer
    x = 29,902.26

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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.