Home / 36,120.96-49,736.16-31,619.52

Finding the Fourth Proportional to 36,120.96, 49,736.16 and 31,619.52

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Solution

The fourth proportional to 36,120.96, 49,736.16 and 31,619.52 is: 43,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.96 : 49,736.16 = 31,619.52 : x
  2. Step 2: Convert to fraction form
    36,120.96/49,736.16 = 31,619.52/x
  3. Step 3: Cross multiply
    36,120.96x = 49,736.16 × 31,619.52
  4. Step 4: Simplify right side
    36,120.96x = 1,572,633,505.84
  5. Step 5: Solve for x
    x = 1,572,633,505.84/36,120.96
  6. Step 6: Final answer
    x = 43,537.98

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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.