Home / 55,843.09-77,063.63-31,969.94

Finding the Fourth Proportional to 55,843.09, 77,063.63 and 31,969.94

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Solution

The fourth proportional to 55,843.09, 77,063.63 and 31,969.94 is: 44,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.09 : 77,063.63 = 31,969.94 : x
  2. Step 2: Convert to fraction form
    55,843.09/77,063.63 = 31,969.94/x
  3. Step 3: Cross multiply
    55,843.09x = 77,063.63 × 31,969.94
  4. Step 4: Simplify right side
    55,843.09x = 2,463,719,899.87
  5. Step 5: Solve for x
    x = 2,463,719,899.87/55,843.09
  6. Step 6: Final answer
    x = 44,118.62

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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.