Home / 29,211.20-43,838.40-19,347.20

Finding the Fourth Proportional to 29,211.20, 43,838.40 and 19,347.20

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Solution

The fourth proportional to 29,211.20, 43,838.40 and 19,347.20 is: 29,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.20 : 43,838.40 = 19,347.20 : x
  2. Step 2: Convert to fraction form
    29,211.20/43,838.40 = 19,347.20/x
  3. Step 3: Cross multiply
    29,211.20x = 43,838.40 × 19,347.20
  4. Step 4: Simplify right side
    29,211.20x = 848,150,292.48
  5. Step 5: Solve for x
    x = 848,150,292.48/29,211.20
  6. Step 6: Final answer
    x = 29,035.11

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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.