Home / 30,368.63-41,908.77-16,940.75

Finding the Fourth Proportional to 30,368.63, 41,908.77 and 16,940.75

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Solution

The fourth proportional to 30,368.63, 41,908.77 and 16,940.75 is: 23,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.63 : 41,908.77 = 16,940.75 : x
  2. Step 2: Convert to fraction form
    30,368.63/41,908.77 = 16,940.75/x
  3. Step 3: Cross multiply
    30,368.63x = 41,908.77 × 16,940.75
  4. Step 4: Simplify right side
    30,368.63x = 709,965,995.38
  5. Step 5: Solve for x
    x = 709,965,995.38/30,368.63
  6. Step 6: Final answer
    x = 23,378.27

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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.