Home / 36,783.51-55,183.43-13,409.88

Finding the Fourth Proportional to 36,783.51, 55,183.43 and 13,409.88

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Solution

The fourth proportional to 36,783.51, 55,183.43 and 13,409.88 is: 20,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.51 : 55,183.43 = 13,409.88 : x
  2. Step 2: Convert to fraction form
    36,783.51/55,183.43 = 13,409.88/x
  3. Step 3: Cross multiply
    36,783.51x = 55,183.43 × 13,409.88
  4. Step 4: Simplify right side
    36,783.51x = 740,003,174.29
  5. Step 5: Solve for x
    x = 740,003,174.29/36,783.51
  6. Step 6: Final answer
    x = 20,117.80

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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.