Home / 30,371.88-41,932.68-19,056.90

Finding the Fourth Proportional to 30,371.88, 41,932.68 and 19,056.90

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Solution

The fourth proportional to 30,371.88, 41,932.68 and 19,056.90 is: 26,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.88 : 41,932.68 = 19,056.90 : x
  2. Step 2: Convert to fraction form
    30,371.88/41,932.68 = 19,056.90/x
  3. Step 3: Cross multiply
    30,371.88x = 41,932.68 × 19,056.90
  4. Step 4: Simplify right side
    30,371.88x = 799,106,889.49
  5. Step 5: Solve for x
    x = 799,106,889.49/30,371.88
  6. Step 6: Final answer
    x = 26,310.75

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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.