Home / 39,845.75-54,987.29-23,930.46

Finding the Fourth Proportional to 39,845.75, 54,987.29 and 23,930.46

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Solution

The fourth proportional to 39,845.75, 54,987.29 and 23,930.46 is: 33,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,845.75 : 54,987.29 = 23,930.46 : x
  2. Step 2: Convert to fraction form
    39,845.75/54,987.29 = 23,930.46/x
  3. Step 3: Cross multiply
    39,845.75x = 54,987.29 × 23,930.46
  4. Step 4: Simplify right side
    39,845.75x = 1,315,871,024.20
  5. Step 5: Solve for x
    x = 1,315,871,024.20/39,845.75
  6. Step 6: Final answer
    x = 33,024.13

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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.