Home / 40,288.96-60,412.67-18,083.30

Finding the Fourth Proportional to 40,288.96, 60,412.67 and 18,083.30

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Solution

The fourth proportional to 40,288.96, 60,412.67 and 18,083.30 is: 27,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.96 : 60,412.67 = 18,083.30 : x
  2. Step 2: Convert to fraction form
    40,288.96/60,412.67 = 18,083.30/x
  3. Step 3: Cross multiply
    40,288.96x = 60,412.67 × 18,083.30
  4. Step 4: Simplify right side
    40,288.96x = 1,092,460,435.41
  5. Step 5: Solve for x
    x = 1,092,460,435.41/40,288.96
  6. Step 6: Final answer
    x = 27,115.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.