Home / 39,305.56-54,203.74-25,860.06

Finding the Fourth Proportional to 39,305.56, 54,203.74 and 25,860.06

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Solution

The fourth proportional to 39,305.56, 54,203.74 and 25,860.06 is: 35,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.56 : 54,203.74 = 25,860.06 : x
  2. Step 2: Convert to fraction form
    39,305.56/54,203.74 = 25,860.06/x
  3. Step 3: Cross multiply
    39,305.56x = 54,203.74 × 25,860.06
  4. Step 4: Simplify right side
    39,305.56x = 1,401,711,968.62
  5. Step 5: Solve for x
    x = 1,401,711,968.62/39,305.56
  6. Step 6: Final answer
    x = 35,661.93

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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.