Home / 39,904.33-55,028.53-33,871.05

Finding the Fourth Proportional to 39,904.33, 55,028.53 and 33,871.05

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Solution

The fourth proportional to 39,904.33, 55,028.53 and 33,871.05 is: 46,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.33 : 55,028.53 = 33,871.05 : x
  2. Step 2: Convert to fraction form
    39,904.33/55,028.53 = 33,871.05/x
  3. Step 3: Cross multiply
    39,904.33x = 55,028.53 × 33,871.05
  4. Step 4: Simplify right side
    39,904.33x = 1,863,874,091.06
  5. Step 5: Solve for x
    x = 1,863,874,091.06/39,904.33
  6. Step 6: Final answer
    x = 46,708.57

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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.