Home / 30,371.72-41,910.93-19,040.76

Finding the Fourth Proportional to 30,371.72, 41,910.93 and 19,040.76

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Solution

The fourth proportional to 30,371.72, 41,910.93 and 19,040.76 is: 26,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.72 : 41,910.93 = 19,040.76 : x
  2. Step 2: Convert to fraction form
    30,371.72/41,910.93 = 19,040.76/x
  3. Step 3: Cross multiply
    30,371.72x = 41,910.93 × 19,040.76
  4. Step 4: Simplify right side
    30,371.72x = 798,015,959.51
  5. Step 5: Solve for x
    x = 798,015,959.51/30,371.72
  6. Step 6: Final answer
    x = 26,274.97

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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.