Home / 35,448.39-48,918.37-20,134.84

Finding the Fourth Proportional to 35,448.39, 48,918.37 and 20,134.84

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Solution

The fourth proportional to 35,448.39, 48,918.37 and 20,134.84 is: 27,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.39 : 48,918.37 = 20,134.84 : x
  2. Step 2: Convert to fraction form
    35,448.39/48,918.37 = 20,134.84/x
  3. Step 3: Cross multiply
    35,448.39x = 48,918.37 × 20,134.84
  4. Step 4: Simplify right side
    35,448.39x = 984,963,308.42
  5. Step 5: Solve for x
    x = 984,963,308.42/35,448.39
  6. Step 6: Final answer
    x = 27,785.84

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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.