Home / 40,486.34-55,871.22-22,582.50

Finding the Fourth Proportional to 40,486.34, 55,871.22 and 22,582.50

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Solution

The fourth proportional to 40,486.34, 55,871.22 and 22,582.50 is: 31,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.34 : 55,871.22 = 22,582.50 : x
  2. Step 2: Convert to fraction form
    40,486.34/55,871.22 = 22,582.50/x
  3. Step 3: Cross multiply
    40,486.34x = 55,871.22 × 22,582.50
  4. Step 4: Simplify right side
    40,486.34x = 1,261,711,825.65
  5. Step 5: Solve for x
    x = 1,261,711,825.65/40,486.34
  6. Step 6: Final answer
    x = 31,163.89

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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.