Home / 34,174.45-51,237.07-20,999.60

Finding the Fourth Proportional to 34,174.45, 51,237.07 and 20,999.60

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Solution

The fourth proportional to 34,174.45, 51,237.07 and 20,999.60 is: 31,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,174.45 : 51,237.07 = 20,999.60 : x
  2. Step 2: Convert to fraction form
    34,174.45/51,237.07 = 20,999.60/x
  3. Step 3: Cross multiply
    34,174.45x = 51,237.07 × 20,999.60
  4. Step 4: Simplify right side
    34,174.45x = 1,075,957,975.17
  5. Step 5: Solve for x
    x = 1,075,957,975.17/34,174.45
  6. Step 6: Final answer
    x = 31,484.28

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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.