Home / 30,922.73-42,674.41-18,175.72

Finding the Fourth Proportional to 30,922.73, 42,674.41 and 18,175.72

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Solution

The fourth proportional to 30,922.73, 42,674.41 and 18,175.72 is: 25,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.73 : 42,674.41 = 18,175.72 : x
  2. Step 2: Convert to fraction form
    30,922.73/42,674.41 = 18,175.72/x
  3. Step 3: Cross multiply
    30,922.73x = 42,674.41 × 18,175.72
  4. Step 4: Simplify right side
    30,922.73x = 775,638,127.33
  5. Step 5: Solve for x
    x = 775,638,127.33/30,922.73
  6. Step 6: Final answer
    x = 25,083.11

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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.