Home / 40,485.30-55,869.80-22,579.85

Finding the Fourth Proportional to 40,485.30, 55,869.80 and 22,579.85

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Solution

The fourth proportional to 40,485.30, 55,869.80 and 22,579.85 is: 31,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.30 : 55,869.80 = 22,579.85 : x
  2. Step 2: Convert to fraction form
    40,485.30/55,869.80 = 22,579.85/x
  3. Step 3: Cross multiply
    40,485.30x = 55,869.80 × 22,579.85
  4. Step 4: Simplify right side
    40,485.30x = 1,261,531,620.31
  5. Step 5: Solve for x
    x = 1,261,531,620.31/40,485.30
  6. Step 6: Final answer
    x = 31,160.24

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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.