Home / 35,180.64-52,718.09-14,099.78

Finding the Fourth Proportional to 35,180.64, 52,718.09 and 14,099.78

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Solution

The fourth proportional to 35,180.64, 52,718.09 and 14,099.78 is: 21,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,180.64 : 52,718.09 = 14,099.78 : x
  2. Step 2: Convert to fraction form
    35,180.64/52,718.09 = 14,099.78/x
  3. Step 3: Cross multiply
    35,180.64x = 52,718.09 × 14,099.78
  4. Step 4: Simplify right side
    35,180.64x = 743,313,136.93
  5. Step 5: Solve for x
    x = 743,313,136.93/35,180.64
  6. Step 6: Final answer
    x = 21,128.47

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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.