Home / 39,736.60-54,836.88-21,833.26

Finding the Fourth Proportional to 39,736.60, 54,836.88 and 21,833.26

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Solution

The fourth proportional to 39,736.60, 54,836.88 and 21,833.26 is: 30,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,736.60 : 54,836.88 = 21,833.26 : x
  2. Step 2: Convert to fraction form
    39,736.60/54,836.88 = 21,833.26/x
  3. Step 3: Cross multiply
    39,736.60x = 54,836.88 × 21,833.26
  4. Step 4: Simplify right side
    39,736.60x = 1,197,267,858.63
  5. Step 5: Solve for x
    x = 1,197,267,858.63/39,736.60
  6. Step 6: Final answer
    x = 30,130.10

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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.