Home / 40,990.80-56,566.74-23,087.58

Finding the Fourth Proportional to 40,990.80, 56,566.74 and 23,087.58

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Solution

The fourth proportional to 40,990.80, 56,566.74 and 23,087.58 is: 31,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.80 : 56,566.74 = 23,087.58 : x
  2. Step 2: Convert to fraction form
    40,990.80/56,566.74 = 23,087.58/x
  3. Step 3: Cross multiply
    40,990.80x = 56,566.74 × 23,087.58
  4. Step 4: Simplify right side
    40,990.80x = 1,305,989,135.09
  5. Step 5: Solve for x
    x = 1,305,989,135.09/40,990.80
  6. Step 6: Final answer
    x = 31,860.54

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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.