Home / 20,026.34-30,040.11-5,235.02

Finding the Fourth Proportional to 20,026.34, 30,040.11 and 5,235.02

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Solution

The fourth proportional to 20,026.34, 30,040.11 and 5,235.02 is: 7,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.34 : 30,040.11 = 5,235.02 : x
  2. Step 2: Convert to fraction form
    20,026.34/30,040.11 = 5,235.02/x
  3. Step 3: Cross multiply
    20,026.34x = 30,040.11 × 5,235.02
  4. Step 4: Simplify right side
    20,026.34x = 157,260,576.65
  5. Step 5: Solve for x
    x = 157,260,576.65/20,026.34
  6. Step 6: Final answer
    x = 7,852.69

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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.