Home / 20,021.10-30,032.26-6,873.32

Finding the Fourth Proportional to 20,021.10, 30,032.26 and 6,873.32

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Solution

The fourth proportional to 20,021.10, 30,032.26 and 6,873.32 is: 10,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.10 : 30,032.26 = 6,873.32 : x
  2. Step 2: Convert to fraction form
    20,021.10/30,032.26 = 6,873.32/x
  3. Step 3: Cross multiply
    20,021.10x = 30,032.26 × 6,873.32
  4. Step 4: Simplify right side
    20,021.10x = 206,421,333.30
  5. Step 5: Solve for x
    x = 206,421,333.30/20,021.10
  6. Step 6: Final answer
    x = 10,310.19

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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.