Home / 39,211.28-54,080.28-25,796.40

Finding the Fourth Proportional to 39,211.28, 54,080.28 and 25,796.40

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Solution

The fourth proportional to 39,211.28, 54,080.28 and 25,796.40 is: 35,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211.28 : 54,080.28 = 25,796.40 : x
  2. Step 2: Convert to fraction form
    39,211.28/54,080.28 = 25,796.40/x
  3. Step 3: Cross multiply
    39,211.28x = 54,080.28 × 25,796.40
  4. Step 4: Simplify right side
    39,211.28x = 1,395,076,534.99
  5. Step 5: Solve for x
    x = 1,395,076,534.99/39,211.28
  6. Step 6: Final answer
    x = 35,578.45

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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.