Home / 30,260.88-41,763.87-18,324.72

Finding the Fourth Proportional to 30,260.88, 41,763.87 and 18,324.72

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Solution

The fourth proportional to 30,260.88, 41,763.87 and 18,324.72 is: 25,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.88 : 41,763.87 = 18,324.72 : x
  2. Step 2: Convert to fraction form
    30,260.88/41,763.87 = 18,324.72/x
  3. Step 3: Cross multiply
    30,260.88x = 41,763.87 × 18,324.72
  4. Step 4: Simplify right side
    30,260.88x = 765,311,223.87
  5. Step 5: Solve for x
    x = 765,311,223.87/30,260.88
  6. Step 6: Final answer
    x = 25,290.45

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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.