Home / 39,369.82-54,329.61-21,464.97

Finding the Fourth Proportional to 39,369.82, 54,329.61 and 21,464.97

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Solution

The fourth proportional to 39,369.82, 54,329.61 and 21,464.97 is: 29,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.82 : 54,329.61 = 21,464.97 : x
  2. Step 2: Convert to fraction form
    39,369.82/54,329.61 = 21,464.97/x
  3. Step 3: Cross multiply
    39,369.82x = 54,329.61 × 21,464.97
  4. Step 4: Simplify right side
    39,369.82x = 1,166,183,448.76
  5. Step 5: Solve for x
    x = 1,166,183,448.76/39,369.82
  6. Step 6: Final answer
    x = 29,621.25

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1.5x scale

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.