Home / 40,342.89-55,672.87-22,193.22

Finding the Fourth Proportional to 40,342.89, 55,672.87 and 22,193.22

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Solution

The fourth proportional to 40,342.89, 55,672.87 and 22,193.22 is: 30,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.89 : 55,672.87 = 22,193.22 : x
  2. Step 2: Convert to fraction form
    40,342.89/55,672.87 = 22,193.22/x
  3. Step 3: Cross multiply
    40,342.89x = 55,672.87 × 22,193.22
  4. Step 4: Simplify right side
    40,342.89x = 1,235,559,918.09
  5. Step 5: Solve for x
    x = 1,235,559,918.09/40,342.89
  6. Step 6: Final answer
    x = 30,626.46

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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.