Home / 34,128.06-51,199.05-19,343.58

Finding the Fourth Proportional to 34,128.06, 51,199.05 and 19,343.58

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Solution

The fourth proportional to 34,128.06, 51,199.05 and 19,343.58 is: 29,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.06 : 51,199.05 = 19,343.58 : x
  2. Step 2: Convert to fraction form
    34,128.06/51,199.05 = 19,343.58/x
  3. Step 3: Cross multiply
    34,128.06x = 51,199.05 × 19,343.58
  4. Step 4: Simplify right side
    34,128.06x = 990,372,919.60
  5. Step 5: Solve for x
    x = 990,372,919.60/34,128.06
  6. Step 6: Final answer
    x = 29,019.31

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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.