Home / 51,921.37-71,651.43-28,048.03

Finding the Fourth Proportional to 51,921.37, 71,651.43 and 28,048.03

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Solution

The fourth proportional to 51,921.37, 71,651.43 and 28,048.03 is: 38,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,921.37 : 71,651.43 = 28,048.03 : x
  2. Step 2: Convert to fraction form
    51,921.37/71,651.43 = 28,048.03/x
  3. Step 3: Cross multiply
    51,921.37x = 71,651.43 × 28,048.03
  4. Step 4: Simplify right side
    51,921.37x = 2,009,681,458.18
  5. Step 5: Solve for x
    x = 2,009,681,458.18/51,921.37
  6. Step 6: Final answer
    x = 38,706.25

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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.