Home / 29,274.06-43,911.20-7,087.40

Finding the Fourth Proportional to 29,274.06, 43,911.20 and 7,087.40

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Solution

The fourth proportional to 29,274.06, 43,911.20 and 7,087.40 is: 10,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.06 : 43,911.20 = 7,087.40 : x
  2. Step 2: Convert to fraction form
    29,274.06/43,911.20 = 7,087.40/x
  3. Step 3: Cross multiply
    29,274.06x = 43,911.20 × 7,087.40
  4. Step 4: Simplify right side
    29,274.06x = 311,216,238.88
  5. Step 5: Solve for x
    x = 311,216,238.88/29,274.06
  6. Step 6: Final answer
    x = 10,631.13

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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.