Home / 39,179.16-54,066.06-21,273.84

Finding the Fourth Proportional to 39,179.16, 54,066.06 and 21,273.84

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Solution

The fourth proportional to 39,179.16, 54,066.06 and 21,273.84 is: 29,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.16 : 54,066.06 = 21,273.84 : x
  2. Step 2: Convert to fraction form
    39,179.16/54,066.06 = 21,273.84/x
  3. Step 3: Cross multiply
    39,179.16x = 54,066.06 × 21,273.84
  4. Step 4: Simplify right side
    39,179.16x = 1,150,192,709.87
  5. Step 5: Solve for x
    x = 1,150,192,709.87/39,179.16
  6. Step 6: Final answer
    x = 29,357.26

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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.