Home / 30,367.63-41,907.39-16,939.75

Finding the Fourth Proportional to 30,367.63, 41,907.39 and 16,939.75

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Solution

The fourth proportional to 30,367.63, 41,907.39 and 16,939.75 is: 23,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.63 : 41,907.39 = 16,939.75 : x
  2. Step 2: Convert to fraction form
    30,367.63/41,907.39 = 16,939.75/x
  3. Step 3: Cross multiply
    30,367.63x = 41,907.39 × 16,939.75
  4. Step 4: Simplify right side
    30,367.63x = 709,900,709.75
  5. Step 5: Solve for x
    x = 709,900,709.75/30,367.63
  6. Step 6: Final answer
    x = 23,376.89

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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.