Home / 55,231.34-76,219.40-30,080.84

Finding the Fourth Proportional to 55,231.34, 76,219.40 and 30,080.84

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Solution

The fourth proportional to 55,231.34, 76,219.40 and 30,080.84 is: 41,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231.34 : 76,219.40 = 30,080.84 : x
  2. Step 2: Convert to fraction form
    55,231.34/76,219.40 = 30,080.84/x
  3. Step 3: Cross multiply
    55,231.34x = 76,219.40 × 30,080.84
  4. Step 4: Simplify right side
    55,231.34x = 2,292,743,576.30
  5. Step 5: Solve for x
    x = 2,292,743,576.30/55,231.34
  6. Step 6: Final answer
    x = 41,511.64

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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.