Home / 34,174.70-51,237.44-20,999.85

Finding the Fourth Proportional to 34,174.70, 51,237.44 and 20,999.85

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Solution

The fourth proportional to 34,174.70, 51,237.44 and 20,999.85 is: 31,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,174.70 : 51,237.44 = 20,999.85 : x
  2. Step 2: Convert to fraction form
    34,174.70/51,237.44 = 20,999.85/x
  3. Step 3: Cross multiply
    34,174.70x = 51,237.44 × 20,999.85
  4. Step 4: Simplify right side
    34,174.70x = 1,075,978,554.38
  5. Step 5: Solve for x
    x = 1,075,978,554.38/34,174.70
  6. Step 6: Final answer
    x = 31,484.65

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1.5x scale

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.