Home / 39,188.37-54,080.35-21,283.73

Finding the Fourth Proportional to 39,188.37, 54,080.35 and 21,283.73

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Solution

The fourth proportional to 39,188.37, 54,080.35 and 21,283.73 is: 29,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.37 : 54,080.35 = 21,283.73 : x
  2. Step 2: Convert to fraction form
    39,188.37/54,080.35 = 21,283.73/x
  3. Step 3: Cross multiply
    39,188.37x = 54,080.35 × 21,283.73
  4. Step 4: Simplify right side
    39,188.37x = 1,151,031,244.09
  5. Step 5: Solve for x
    x = 1,151,031,244.09/39,188.37
  6. Step 6: Final answer
    x = 29,371.76

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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.