Home / 40,917.84-61,389.72-14,622

Finding the Fourth Proportional to 40,917.84, 61,389.72 and 14,622

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Solution

The fourth proportional to 40,917.84, 61,389.72 and 14,622 is: 21,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.84 : 61,389.72 = 14,622 : x
  2. Step 2: Convert to fraction form
    40,917.84/61,389.72 = 14,622/x
  3. Step 3: Cross multiply
    40,917.84x = 61,389.72 × 14,622
  4. Step 4: Simplify right side
    40,917.84x = 897,640,485.84
  5. Step 5: Solve for x
    x = 897,640,485.84/40,917.84
  6. Step 6: Final answer
    x = 21,937.63

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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.