Home / 55,314.96-82,946.52-20,230.08

Finding the Fourth Proportional to 55,314.96, 82,946.52 and 20,230.08

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Solution

The fourth proportional to 55,314.96, 82,946.52 and 20,230.08 is: 30,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.96 : 82,946.52 = 20,230.08 : x
  2. Step 2: Convert to fraction form
    55,314.96/82,946.52 = 20,230.08/x
  3. Step 3: Cross multiply
    55,314.96x = 82,946.52 × 20,230.08
  4. Step 4: Simplify right side
    55,314.96x = 1,678,014,735.32
  5. Step 5: Solve for x
    x = 1,678,014,735.32/55,314.96
  6. Step 6: Final answer
    x = 30,335.64

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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.