Home / 54,141.84-81,054.39-31,583.55

Finding the Fourth Proportional to 54,141.84, 81,054.39 and 31,583.55

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Solution

The fourth proportional to 54,141.84, 81,054.39 and 31,583.55 is: 47,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.84 : 81,054.39 = 31,583.55 : x
  2. Step 2: Convert to fraction form
    54,141.84/81,054.39 = 31,583.55/x
  3. Step 3: Cross multiply
    54,141.84x = 81,054.39 × 31,583.55
  4. Step 4: Simplify right side
    54,141.84x = 2,559,985,379.28
  5. Step 5: Solve for x
    x = 2,559,985,379.28/54,141.84
  6. Step 6: Final answer
    x = 47,282.94

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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.