Home / 29,756.78-44,638.83-13,121.00

Finding the Fourth Proportional to 29,756.78, 44,638.83 and 13,121.00

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Solution

The fourth proportional to 29,756.78, 44,638.83 and 13,121.00 is: 19,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,756.78 : 44,638.83 = 13,121.00 : x
  2. Step 2: Convert to fraction form
    29,756.78/44,638.83 = 13,121.00/x
  3. Step 3: Cross multiply
    29,756.78x = 44,638.83 × 13,121.00
  4. Step 4: Simplify right side
    29,756.78x = 585,705,865.24
  5. Step 5: Solve for x
    x = 585,705,865.24/29,756.78
  6. Step 6: Final answer
    x = 19,683.11

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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.