Home / 39,845.61-54,987.09-23,930.32

Finding the Fourth Proportional to 39,845.61, 54,987.09 and 23,930.32

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Solution

The fourth proportional to 39,845.61, 54,987.09 and 23,930.32 is: 33,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,845.61 : 54,987.09 = 23,930.32 : x
  2. Step 2: Convert to fraction form
    39,845.61/54,987.09 = 23,930.32/x
  3. Step 3: Cross multiply
    39,845.61x = 54,987.09 × 23,930.32
  4. Step 4: Simplify right side
    39,845.61x = 1,315,858,659.57
  5. Step 5: Solve for x
    x = 1,315,858,659.57/39,845.61
  6. Step 6: Final answer
    x = 33,023.93

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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.