Home / 40,745.31-56,228.45-22,840.32

Finding the Fourth Proportional to 40,745.31, 56,228.45 and 22,840.32

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Solution

The fourth proportional to 40,745.31, 56,228.45 and 22,840.32 is: 31,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.31 : 56,228.45 = 22,840.32 : x
  2. Step 2: Convert to fraction form
    40,745.31/56,228.45 = 22,840.32/x
  3. Step 3: Cross multiply
    40,745.31x = 56,228.45 × 22,840.32
  4. Step 4: Simplify right side
    40,745.31x = 1,284,275,791.10
  5. Step 5: Solve for x
    x = 1,284,275,791.10/40,745.31
  6. Step 6: Final answer
    x = 31,519.60

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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.