Home / 30,339.21-45,672.61-27,287.54

Finding the Fourth Proportional to 30,339.21, 45,672.61 and 27,287.54

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Solution

The fourth proportional to 30,339.21, 45,672.61 and 27,287.54 is: 41,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.21 : 45,672.61 = 27,287.54 : x
  2. Step 2: Convert to fraction form
    30,339.21/45,672.61 = 27,287.54/x
  3. Step 3: Cross multiply
    30,339.21x = 45,672.61 × 27,287.54
  4. Step 4: Simplify right side
    30,339.21x = 1,246,293,172.28
  5. Step 5: Solve for x
    x = 1,246,293,172.28/30,339.21
  6. Step 6: Final answer
    x = 41,078.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.