Home / 40,745.45-56,228.54-22,840.45

Finding the Fourth Proportional to 40,745.45, 56,228.54 and 22,840.45

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Solution

The fourth proportional to 40,745.45, 56,228.54 and 22,840.45 is: 31,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.45 : 56,228.54 = 22,840.45 : x
  2. Step 2: Convert to fraction form
    40,745.45/56,228.54 = 22,840.45/x
  3. Step 3: Cross multiply
    40,745.45x = 56,228.54 × 22,840.45
  4. Step 4: Simplify right side
    40,745.45x = 1,284,285,156.44
  5. Step 5: Solve for x
    x = 1,284,285,156.44/40,745.45
  6. Step 6: Final answer
    x = 31,519.72

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1.5x scale

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.