Home / 55,124.43-82,637.42-20,039.37

Finding the Fourth Proportional to 55,124.43, 82,637.42 and 20,039.37

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Solution

The fourth proportional to 55,124.43, 82,637.42 and 20,039.37 is: 30,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.43 : 82,637.42 = 20,039.37 : x
  2. Step 2: Convert to fraction form
    55,124.43/82,637.42 = 20,039.37/x
  3. Step 3: Cross multiply
    55,124.43x = 82,637.42 × 20,039.37
  4. Step 4: Simplify right side
    55,124.43x = 1,656,001,735.03
  5. Step 5: Solve for x
    x = 1,656,001,735.03/55,124.43
  6. Step 6: Final answer
    x = 30,041.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.