Home / 55,419.76-83,141.32-17,976.92

Finding the Fourth Proportional to 55,419.76, 83,141.32 and 17,976.92

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Solution

The fourth proportional to 55,419.76, 83,141.32 and 17,976.92 is: 26,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.76 : 83,141.32 = 17,976.92 : x
  2. Step 2: Convert to fraction form
    55,419.76/83,141.32 = 17,976.92/x
  3. Step 3: Cross multiply
    55,419.76x = 83,141.32 × 17,976.92
  4. Step 4: Simplify right side
    55,419.76x = 1,494,624,858.33
  5. Step 5: Solve for x
    x = 1,494,624,858.33/55,419.76
  6. Step 6: Final answer
    x = 26,969.17

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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.