Home / 45,379.27-68,076.18-15,805.51

Finding the Fourth Proportional to 45,379.27, 68,076.18 and 15,805.51

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Solution

The fourth proportional to 45,379.27, 68,076.18 and 15,805.51 is: 23,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.27 : 68,076.18 = 15,805.51 : x
  2. Step 2: Convert to fraction form
    45,379.27/68,076.18 = 15,805.51/x
  3. Step 3: Cross multiply
    45,379.27x = 68,076.18 × 15,805.51
  4. Step 4: Simplify right side
    45,379.27x = 1,075,978,743.75
  5. Step 5: Solve for x
    x = 1,075,978,743.75/45,379.27
  6. Step 6: Final answer
    x = 23,710.80

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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.