Home / 54,126.46-81,342.51-31,950.28

Finding the Fourth Proportional to 54,126.46, 81,342.51 and 31,950.28

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Solution

The fourth proportional to 54,126.46, 81,342.51 and 31,950.28 is: 48,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.46 : 81,342.51 = 31,950.28 : x
  2. Step 2: Convert to fraction form
    54,126.46/81,342.51 = 31,950.28/x
  3. Step 3: Cross multiply
    54,126.46x = 81,342.51 × 31,950.28
  4. Step 4: Simplify right side
    54,126.46x = 2,598,915,970.40
  5. Step 5: Solve for x
    x = 2,598,915,970.40/54,126.46
  6. Step 6: Final answer
    x = 48,015.63

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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.