Home / 35,277.57-48,683.97-20,172.69

Finding the Fourth Proportional to 35,277.57, 48,683.97 and 20,172.69

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Solution

The fourth proportional to 35,277.57, 48,683.97 and 20,172.69 is: 27,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.57 : 48,683.97 = 20,172.69 : x
  2. Step 2: Convert to fraction form
    35,277.57/48,683.97 = 20,172.69/x
  3. Step 3: Cross multiply
    35,277.57x = 48,683.97 × 20,172.69
  4. Step 4: Simplify right side
    35,277.57x = 982,086,634.78
  5. Step 5: Solve for x
    x = 982,086,634.78/35,277.57
  6. Step 6: Final answer
    x = 27,838.84

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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.