Home / 54,752.87-75,554.43-30,885.41

Finding the Fourth Proportional to 54,752.87, 75,554.43 and 30,885.41

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Solution

The fourth proportional to 54,752.87, 75,554.43 and 30,885.41 is: 42,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.87 : 75,554.43 = 30,885.41 : x
  2. Step 2: Convert to fraction form
    54,752.87/75,554.43 = 30,885.41/x
  3. Step 3: Cross multiply
    54,752.87x = 75,554.43 × 30,885.41
  4. Step 4: Simplify right side
    54,752.87x = 2,333,529,170.09
  5. Step 5: Solve for x
    x = 2,333,529,170.09/54,752.87
  6. Step 6: Final answer
    x = 42,619.31

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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.