Home / 39,153.50-54,076.68-25,784.51

Finding the Fourth Proportional to 39,153.50, 54,076.68 and 25,784.51

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Solution

The fourth proportional to 39,153.50, 54,076.68 and 25,784.51 is: 35,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.50 : 54,076.68 = 25,784.51 : x
  2. Step 2: Convert to fraction form
    39,153.50/54,076.68 = 25,784.51/x
  3. Step 3: Cross multiply
    39,153.50x = 54,076.68 × 25,784.51
  4. Step 4: Simplify right side
    39,153.50x = 1,394,340,425.84
  5. Step 5: Solve for x
    x = 1,394,340,425.84/39,153.50
  6. Step 6: Final answer
    x = 35,612.16

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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.