Home / 39,742.96-54,799.68-25,383.28

Finding the Fourth Proportional to 39,742.96, 54,799.68 and 25,383.28

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Solution

The fourth proportional to 39,742.96, 54,799.68 and 25,383.28 is: 34,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.96 : 54,799.68 = 25,383.28 : x
  2. Step 2: Convert to fraction form
    39,742.96/54,799.68 = 25,383.28/x
  3. Step 3: Cross multiply
    39,742.96x = 54,799.68 × 25,383.28
  4. Step 4: Simplify right side
    39,742.96x = 1,390,995,621.35
  5. Step 5: Solve for x
    x = 1,390,995,621.35/39,742.96
  6. Step 6: Final answer
    x = 34,999.80

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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.