Home / 29,239.20-43,880.40-19,375.20

Finding the Fourth Proportional to 29,239.20, 43,880.40 and 19,375.20

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Solution

The fourth proportional to 29,239.20, 43,880.40 and 19,375.20 is: 29,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239.20 : 43,880.40 = 19,375.20 : x
  2. Step 2: Convert to fraction form
    29,239.20/43,880.40 = 19,375.20/x
  3. Step 3: Cross multiply
    29,239.20x = 43,880.40 × 19,375.20
  4. Step 4: Simplify right side
    29,239.20x = 850,191,526.08
  5. Step 5: Solve for x
    x = 850,191,526.08/29,239.20
  6. Step 6: Final answer
    x = 29,077.11

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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.