Home / 30,260.82-45,391.21-9,201.03

Finding the Fourth Proportional to 30,260.82, 45,391.21 and 9,201.03

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Solution

The fourth proportional to 30,260.82, 45,391.21 and 9,201.03 is: 13,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.82 : 45,391.21 = 9,201.03 : x
  2. Step 2: Convert to fraction form
    30,260.82/45,391.21 = 9,201.03/x
  3. Step 3: Cross multiply
    30,260.82x = 45,391.21 × 9,201.03
  4. Step 4: Simplify right side
    30,260.82x = 417,645,884.95
  5. Step 5: Solve for x
    x = 417,645,884.95/30,260.82
  6. Step 6: Final answer
    x = 13,801.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.