Home / 20,072.48-30,113.87-6,031.94

Finding the Fourth Proportional to 20,072.48, 30,113.87 and 6,031.94

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Solution

The fourth proportional to 20,072.48, 30,113.87 and 6,031.94 is: 9,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.48 : 30,113.87 = 6,031.94 : x
  2. Step 2: Convert to fraction form
    20,072.48/30,113.87 = 6,031.94/x
  3. Step 3: Cross multiply
    20,072.48x = 30,113.87 × 6,031.94
  4. Step 4: Simplify right side
    20,072.48x = 181,644,876.28
  5. Step 5: Solve for x
    x = 181,644,876.28/20,072.48
  6. Step 6: Final answer
    x = 9,049.45

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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.