Home / 55,170.84-82,682.46-20,077.32

Finding the Fourth Proportional to 55,170.84, 82,682.46 and 20,077.32

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Solution

The fourth proportional to 55,170.84, 82,682.46 and 20,077.32 is: 30,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.84 : 82,682.46 = 20,077.32 : x
  2. Step 2: Convert to fraction form
    55,170.84/82,682.46 = 20,077.32/x
  3. Step 3: Cross multiply
    55,170.84x = 82,682.46 × 20,077.32
  4. Step 4: Simplify right side
    55,170.84x = 1,660,042,207.81
  5. Step 5: Solve for x
    x = 1,660,042,207.81/55,170.84
  6. Step 6: Final answer
    x = 30,089.12

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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.