Home / 34,991.28-48,273.43-20,645.42

Finding the Fourth Proportional to 34,991.28, 48,273.43 and 20,645.42

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Solution

The fourth proportional to 34,991.28, 48,273.43 and 20,645.42 is: 28,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,991.28 : 48,273.43 = 20,645.42 : x
  2. Step 2: Convert to fraction form
    34,991.28/48,273.43 = 20,645.42/x
  3. Step 3: Cross multiply
    34,991.28x = 48,273.43 × 20,645.42
  4. Step 4: Simplify right side
    34,991.28x = 996,624,944.21
  5. Step 5: Solve for x
    x = 996,624,944.21/34,991.28
  6. Step 6: Final answer
    x = 28,482.09

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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.