Home / 30,201.75-45,296.55-10,481.13

Finding the Fourth Proportional to 30,201.75, 45,296.55 and 10,481.13

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Solution

The fourth proportional to 30,201.75, 45,296.55 and 10,481.13 is: 15,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.75 : 45,296.55 = 10,481.13 : x
  2. Step 2: Convert to fraction form
    30,201.75/45,296.55 = 10,481.13/x
  3. Step 3: Cross multiply
    30,201.75x = 45,296.55 × 10,481.13
  4. Step 4: Simplify right side
    30,201.75x = 474,759,029.10
  5. Step 5: Solve for x
    x = 474,759,029.10/30,201.75
  6. Step 6: Final answer
    x = 15,719.59

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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.