Home / 37,920.75-56,836.83-28,530.60

Finding the Fourth Proportional to 37,920.75, 56,836.83 and 28,530.60

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Solution

The fourth proportional to 37,920.75, 56,836.83 and 28,530.60 is: 42,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.75 : 56,836.83 = 28,530.60 : x
  2. Step 2: Convert to fraction form
    37,920.75/56,836.83 = 28,530.60/x
  3. Step 3: Cross multiply
    37,920.75x = 56,836.83 × 28,530.60
  4. Step 4: Simplify right side
    37,920.75x = 1,621,588,791.23
  5. Step 5: Solve for x
    x = 1,621,588,791.23/37,920.75
  6. Step 6: Final answer
    x = 42,762.57

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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.