Home / 40,090.43-55,323.43-22,186.19

Finding the Fourth Proportional to 40,090.43, 55,323.43 and 22,186.19

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Solution

The fourth proportional to 40,090.43, 55,323.43 and 22,186.19 is: 30,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.43 : 55,323.43 = 22,186.19 : x
  2. Step 2: Convert to fraction form
    40,090.43/55,323.43 = 22,186.19/x
  3. Step 3: Cross multiply
    40,090.43x = 55,323.43 × 22,186.19
  4. Step 4: Simplify right side
    40,090.43x = 1,227,415,741.88
  5. Step 5: Solve for x
    x = 1,227,415,741.88/40,090.43
  6. Step 6: Final answer
    x = 30,616.18

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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.