Home / 36,815.15-50,805.15-20,899.87

Finding the Fourth Proportional to 36,815.15, 50,805.15 and 20,899.87

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Solution

The fourth proportional to 36,815.15, 50,805.15 and 20,899.87 is: 28,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.15 : 50,805.15 = 20,899.87 : x
  2. Step 2: Convert to fraction form
    36,815.15/50,805.15 = 20,899.87/x
  3. Step 3: Cross multiply
    36,815.15x = 50,805.15 × 20,899.87
  4. Step 4: Simplify right side
    36,815.15x = 1,061,821,030.33
  5. Step 5: Solve for x
    x = 1,061,821,030.33/36,815.15
  6. Step 6: Final answer
    x = 28,841.96

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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.