Home / 40,640.80-56,083.92-22,735.60

Finding the Fourth Proportional to 40,640.80, 56,083.92 and 22,735.60

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Solution

The fourth proportional to 40,640.80, 56,083.92 and 22,735.60 is: 31,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.80 : 56,083.92 = 22,735.60 : x
  2. Step 2: Convert to fraction form
    40,640.80/56,083.92 = 22,735.60/x
  3. Step 3: Cross multiply
    40,640.80x = 56,083.92 × 22,735.60
  4. Step 4: Simplify right side
    40,640.80x = 1,275,101,571.55
  5. Step 5: Solve for x
    x = 1,275,101,571.55/40,640.80
  6. Step 6: Final answer
    x = 31,374.91

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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.