Home / 29,056.44-40,083.06-18,990.75

Finding the Fourth Proportional to 29,056.44, 40,083.06 and 18,990.75

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Solution

The fourth proportional to 29,056.44, 40,083.06 and 18,990.75 is: 26,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,056.44 : 40,083.06 = 18,990.75 : x
  2. Step 2: Convert to fraction form
    29,056.44/40,083.06 = 18,990.75/x
  3. Step 3: Cross multiply
    29,056.44x = 40,083.06 × 18,990.75
  4. Step 4: Simplify right side
    29,056.44x = 761,207,371.70
  5. Step 5: Solve for x
    x = 761,207,371.70/29,056.44
  6. Step 6: Final answer
    x = 26,197.54

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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.