Home / 40,421.93-55,786.66-22,274.53

Finding the Fourth Proportional to 40,421.93, 55,786.66 and 22,274.53

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Solution

The fourth proportional to 40,421.93, 55,786.66 and 22,274.53 is: 30,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.93 : 55,786.66 = 22,274.53 : x
  2. Step 2: Convert to fraction form
    40,421.93/55,786.66 = 22,274.53/x
  3. Step 3: Cross multiply
    40,421.93x = 55,786.66 × 22,274.53
  4. Step 4: Simplify right side
    40,421.93x = 1,242,621,352.84
  5. Step 5: Solve for x
    x = 1,242,621,352.84/40,421.93
  6. Step 6: Final answer
    x = 30,741.27

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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.