Home / 40,745.48-56,256.26-25,455.41

Finding the Fourth Proportional to 40,745.48, 56,256.26 and 25,455.41

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Solution

The fourth proportional to 40,745.48, 56,256.26 and 25,455.41 is: 35,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.48 : 56,256.26 = 25,455.41 : x
  2. Step 2: Convert to fraction form
    40,745.48/56,256.26 = 25,455.41/x
  3. Step 3: Cross multiply
    40,745.48x = 56,256.26 × 25,455.41
  4. Step 4: Simplify right side
    40,745.48x = 1,432,025,965.77
  5. Step 5: Solve for x
    x = 1,432,025,965.77/40,745.48
  6. Step 6: Final answer
    x = 35,145.64

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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.