Home / 53,181.72-79,785.32-15,231.53

Finding the Fourth Proportional to 53,181.72, 79,785.32 and 15,231.53

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Solution

The fourth proportional to 53,181.72, 79,785.32 and 15,231.53 is: 22,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.72 : 79,785.32 = 15,231.53 : x
  2. Step 2: Convert to fraction form
    53,181.72/79,785.32 = 15,231.53/x
  3. Step 3: Cross multiply
    53,181.72x = 79,785.32 × 15,231.53
  4. Step 4: Simplify right side
    53,181.72x = 1,215,252,255.33
  5. Step 5: Solve for x
    x = 1,215,252,255.33/53,181.72
  6. Step 6: Final answer
    x = 22,850.94

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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.