Home / 30,283.20-41,791.80-18,949.08

Finding the Fourth Proportional to 30,283.20, 41,791.80 and 18,949.08

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Solution

The fourth proportional to 30,283.20, 41,791.80 and 18,949.08 is: 26,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.20 : 41,791.80 = 18,949.08 : x
  2. Step 2: Convert to fraction form
    30,283.20/41,791.80 = 18,949.08/x
  3. Step 3: Cross multiply
    30,283.20x = 41,791.80 × 18,949.08
  4. Step 4: Simplify right side
    30,283.20x = 791,916,161.54
  5. Step 5: Solve for x
    x = 791,916,161.54/30,283.20
  6. Step 6: Final answer
    x = 26,150.35

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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.