Home / 54,653.53-75,440.75-31,999.80

Finding the Fourth Proportional to 54,653.53, 75,440.75 and 31,999.80

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Solution

The fourth proportional to 54,653.53, 75,440.75 and 31,999.80 is: 44,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.53 : 75,440.75 = 31,999.80 : x
  2. Step 2: Convert to fraction form
    54,653.53/75,440.75 = 31,999.80/x
  3. Step 3: Cross multiply
    54,653.53x = 75,440.75 × 31,999.80
  4. Step 4: Simplify right side
    54,653.53x = 2,414,088,911.85
  5. Step 5: Solve for x
    x = 2,414,088,911.85/54,653.53
  6. Step 6: Final answer
    x = 44,170.78

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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.