Home / 34,731.46-47,929.20-19,629.01

Finding the Fourth Proportional to 34,731.46, 47,929.20 and 19,629.01

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Solution

The fourth proportional to 34,731.46, 47,929.20 and 19,629.01 is: 27,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.46 : 47,929.20 = 19,629.01 : x
  2. Step 2: Convert to fraction form
    34,731.46/47,929.20 = 19,629.01/x
  3. Step 3: Cross multiply
    34,731.46x = 47,929.20 × 19,629.01
  4. Step 4: Simplify right side
    34,731.46x = 940,802,746.09
  5. Step 5: Solve for x
    x = 940,802,746.09/34,731.46
  6. Step 6: Final answer
    x = 27,087.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.