Home / 20,830.93-31,239.96-6,040.94

Finding the Fourth Proportional to 20,830.93, 31,239.96 and 6,040.94

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Solution

The fourth proportional to 20,830.93, 31,239.96 and 6,040.94 is: 9,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830.93 : 31,239.96 = 6,040.94 : x
  2. Step 2: Convert to fraction form
    20,830.93/31,239.96 = 6,040.94/x
  3. Step 3: Cross multiply
    20,830.93x = 31,239.96 × 6,040.94
  4. Step 4: Simplify right side
    20,830.93x = 188,718,723.96
  5. Step 5: Solve for x
    x = 188,718,723.96/20,830.93
  6. Step 6: Final answer
    x = 9,059.54

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1.5x scale

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.