Home / 20,046.31-30,036.63-10,676.38

Finding the Fourth Proportional to 20,046.31, 30,036.63 and 10,676.38

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Solution

The fourth proportional to 20,046.31, 30,036.63 and 10,676.38 is: 15,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.31 : 30,036.63 = 10,676.38 : x
  2. Step 2: Convert to fraction form
    20,046.31/30,036.63 = 10,676.38/x
  3. Step 3: Cross multiply
    20,046.31x = 30,036.63 × 10,676.38
  4. Step 4: Simplify right side
    20,046.31x = 320,682,475.80
  5. Step 5: Solve for x
    x = 320,682,475.80/20,046.31
  6. Step 6: Final answer
    x = 15,997.08

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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.