Home / 30,611.44-42,243.66-17,873.38

Finding the Fourth Proportional to 30,611.44, 42,243.66 and 17,873.38

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Solution

The fourth proportional to 30,611.44, 42,243.66 and 17,873.38 is: 24,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.44 : 42,243.66 = 17,873.38 : x
  2. Step 2: Convert to fraction form
    30,611.44/42,243.66 = 17,873.38/x
  3. Step 3: Cross multiply
    30,611.44x = 42,243.66 × 17,873.38
  4. Step 4: Simplify right side
    30,611.44x = 755,036,987.77
  5. Step 5: Solve for x
    x = 755,036,987.77/30,611.44
  6. Step 6: Final answer
    x = 24,665.19

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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.