Home / 35,289.84-48,698.58-20,181.72

Finding the Fourth Proportional to 35,289.84, 48,698.58 and 20,181.72

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Solution

The fourth proportional to 35,289.84, 48,698.58 and 20,181.72 is: 27,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.84 : 48,698.58 = 20,181.72 : x
  2. Step 2: Convert to fraction form
    35,289.84/48,698.58 = 20,181.72/x
  3. Step 3: Cross multiply
    35,289.84x = 48,698.58 × 20,181.72
  4. Step 4: Simplify right side
    35,289.84x = 982,821,105.96
  5. Step 5: Solve for x
    x = 982,821,105.96/35,289.84
  6. Step 6: Final answer
    x = 27,849.97

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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.