Home / 36,815.96-50,806.28-20,900.68

Finding the Fourth Proportional to 36,815.96, 50,806.28 and 20,900.68

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Solution

The fourth proportional to 36,815.96, 50,806.28 and 20,900.68 is: 28,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.96 : 50,806.28 = 20,900.68 : x
  2. Step 2: Convert to fraction form
    36,815.96/50,806.28 = 20,900.68/x
  3. Step 3: Cross multiply
    36,815.96x = 50,806.28 × 20,900.68
  4. Step 4: Simplify right side
    36,815.96x = 1,061,885,725.51
  5. Step 5: Solve for x
    x = 1,061,885,725.51/36,815.96
  6. Step 6: Final answer
    x = 28,843.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.