Home / 30,980.25-46,470.39-10,205.37

Finding the Fourth Proportional to 30,980.25, 46,470.39 and 10,205.37

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Solution

The fourth proportional to 30,980.25, 46,470.39 and 10,205.37 is: 15,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.25 : 46,470.39 = 10,205.37 : x
  2. Step 2: Convert to fraction form
    30,980.25/46,470.39 = 10,205.37/x
  3. Step 3: Cross multiply
    30,980.25x = 46,470.39 × 10,205.37
  4. Step 4: Simplify right side
    30,980.25x = 474,247,523.99
  5. Step 5: Solve for x
    x = 474,247,523.99/30,980.25
  6. Step 6: Final answer
    x = 15,308.06

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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.