Home / 39,121.72-53,928.30-23,986.36

Finding the Fourth Proportional to 39,121.72, 53,928.30 and 23,986.36

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Solution

The fourth proportional to 39,121.72, 53,928.30 and 23,986.36 is: 33,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.72 : 53,928.30 = 23,986.36 : x
  2. Step 2: Convert to fraction form
    39,121.72/53,928.30 = 23,986.36/x
  3. Step 3: Cross multiply
    39,121.72x = 53,928.30 × 23,986.36
  4. Step 4: Simplify right side
    39,121.72x = 1,293,543,617.99
  5. Step 5: Solve for x
    x = 1,293,543,617.99/39,121.72
  6. Step 6: Final answer
    x = 33,064.59

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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.