Home / 35,397.05-48,842.33-20,286.80

Finding the Fourth Proportional to 35,397.05, 48,842.33 and 20,286.80

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Solution

The fourth proportional to 35,397.05, 48,842.33 and 20,286.80 is: 27,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.05 : 48,842.33 = 20,286.80 : x
  2. Step 2: Convert to fraction form
    35,397.05/48,842.33 = 20,286.80/x
  3. Step 3: Cross multiply
    35,397.05x = 48,842.33 × 20,286.80
  4. Step 4: Simplify right side
    35,397.05x = 990,854,234.60
  5. Step 5: Solve for x
    x = 990,854,234.60/35,397.05
  6. Step 6: Final answer
    x = 27,992.57

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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.