Home / 30,092.22-41,483.97-21,111.87

Finding the Fourth Proportional to 30,092.22, 41,483.97 and 21,111.87

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Solution

The fourth proportional to 30,092.22, 41,483.97 and 21,111.87 is: 29,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.22 : 41,483.97 = 21,111.87 : x
  2. Step 2: Convert to fraction form
    30,092.22/41,483.97 = 21,111.87/x
  3. Step 3: Cross multiply
    30,092.22x = 41,483.97 × 21,111.87
  4. Step 4: Simplify right side
    30,092.22x = 875,804,181.72
  5. Step 5: Solve for x
    x = 875,804,181.72/30,092.22
  6. Step 6: Final answer
    x = 29,104.01

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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.