Home / 20,385.69-30,576.48-5,596.09

Finding the Fourth Proportional to 20,385.69, 30,576.48 and 5,596.09

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Solution

The fourth proportional to 20,385.69, 30,576.48 and 5,596.09 is: 8,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.69 : 30,576.48 = 5,596.09 : x
  2. Step 2: Convert to fraction form
    20,385.69/30,576.48 = 5,596.09/x
  3. Step 3: Cross multiply
    20,385.69x = 30,576.48 × 5,596.09
  4. Step 4: Simplify right side
    20,385.69x = 171,108,733.96
  5. Step 5: Solve for x
    x = 171,108,733.96/20,385.69
  6. Step 6: Final answer
    x = 8,393.57

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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.