Home / 31,201.84-43,054.69-19,712.53

Finding the Fourth Proportional to 31,201.84, 43,054.69 and 19,712.53

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Solution

The fourth proportional to 31,201.84, 43,054.69 and 19,712.53 is: 27,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.84 : 43,054.69 = 19,712.53 : x
  2. Step 2: Convert to fraction form
    31,201.84/43,054.69 = 19,712.53/x
  3. Step 3: Cross multiply
    31,201.84x = 43,054.69 × 19,712.53
  4. Step 4: Simplify right side
    31,201.84x = 848,716,554.43
  5. Step 5: Solve for x
    x = 848,716,554.43/31,201.84
  6. Step 6: Final answer
    x = 27,200.85

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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.