Home / 51,458.63-71,007.98-28,796.45

Finding the Fourth Proportional to 51,458.63, 71,007.98 and 28,796.45

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Solution

The fourth proportional to 51,458.63, 71,007.98 and 28,796.45 is: 39,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,458.63 : 71,007.98 = 28,796.45 : x
  2. Step 2: Convert to fraction form
    51,458.63/71,007.98 = 28,796.45/x
  3. Step 3: Cross multiply
    51,458.63x = 71,007.98 × 28,796.45
  4. Step 4: Simplify right side
    51,458.63x = 2,044,777,246.65
  5. Step 5: Solve for x
    x = 2,044,777,246.65/51,458.63
  6. Step 6: Final answer
    x = 39,736.34

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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.