Home / 30,371.63-41,912.91-16,943.75

Finding the Fourth Proportional to 30,371.63, 41,912.91 and 16,943.75

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Solution

The fourth proportional to 30,371.63, 41,912.91 and 16,943.75 is: 23,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.63 : 41,912.91 = 16,943.75 : x
  2. Step 2: Convert to fraction form
    30,371.63/41,912.91 = 16,943.75/x
  3. Step 3: Cross multiply
    30,371.63x = 41,912.91 × 16,943.75
  4. Step 4: Simplify right side
    30,371.63x = 710,161,868.81
  5. Step 5: Solve for x
    x = 710,161,868.81/30,371.63
  6. Step 6: Final answer
    x = 23,382.41

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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.