Home / 36,040.24-54,079.80-19,412.56

Finding the Fourth Proportional to 36,040.24, 54,079.80 and 19,412.56

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Solution

The fourth proportional to 36,040.24, 54,079.80 and 19,412.56 is: 29,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,040.24 : 54,079.80 = 19,412.56 : x
  2. Step 2: Convert to fraction form
    36,040.24/54,079.80 = 19,412.56/x
  3. Step 3: Cross multiply
    36,040.24x = 54,079.80 × 19,412.56
  4. Step 4: Simplify right side
    36,040.24x = 1,049,827,362.29
  5. Step 5: Solve for x
    x = 1,049,827,362.29/36,040.24
  6. Step 6: Final answer
    x = 29,129.31

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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.