Home / 51,231.03-70,699.22-28,571.46

Finding the Fourth Proportional to 51,231.03, 70,699.22 and 28,571.46

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Solution

The fourth proportional to 51,231.03, 70,699.22 and 28,571.46 is: 39,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.03 : 70,699.22 = 28,571.46 : x
  2. Step 2: Convert to fraction form
    51,231.03/70,699.22 = 28,571.46/x
  3. Step 3: Cross multiply
    51,231.03x = 70,699.22 × 28,571.46
  4. Step 4: Simplify right side
    51,231.03x = 2,019,979,936.26
  5. Step 5: Solve for x
    x = 2,019,979,936.26/51,231.03
  6. Step 6: Final answer
    x = 39,428.84

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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.