Home / 54,885.55-75,736.26-31,007.61

Finding the Fourth Proportional to 54,885.55, 75,736.26 and 31,007.61

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Solution

The fourth proportional to 54,885.55, 75,736.26 and 31,007.61 is: 42,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.55 : 75,736.26 = 31,007.61 : x
  2. Step 2: Convert to fraction form
    54,885.55/75,736.26 = 31,007.61/x
  3. Step 3: Cross multiply
    54,885.55x = 75,736.26 × 31,007.61
  4. Step 4: Simplify right side
    54,885.55x = 2,348,400,412.94
  5. Step 5: Solve for x
    x = 2,348,400,412.94/54,885.55
  6. Step 6: Final answer
    x = 42,787.23

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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.