Home / 33,867.79-46,760.38-21,140.36

Finding the Fourth Proportional to 33,867.79, 46,760.38 and 21,140.36

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Solution

The fourth proportional to 33,867.79, 46,760.38 and 21,140.36 is: 29,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.79 : 46,760.38 = 21,140.36 : x
  2. Step 2: Convert to fraction form
    33,867.79/46,760.38 = 21,140.36/x
  3. Step 3: Cross multiply
    33,867.79x = 46,760.38 × 21,140.36
  4. Step 4: Simplify right side
    33,867.79x = 988,530,980.28
  5. Step 5: Solve for x
    x = 988,530,980.28/33,867.79
  6. Step 6: Final answer
    x = 29,187.94

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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.