Home / 55,564.26-83,378.97-20,528.34

Finding the Fourth Proportional to 55,564.26, 83,378.97 and 20,528.34

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Solution

The fourth proportional to 55,564.26, 83,378.97 and 20,528.34 is: 30,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.26 : 83,378.97 = 20,528.34 : x
  2. Step 2: Convert to fraction form
    55,564.26/83,378.97 = 20,528.34/x
  3. Step 3: Cross multiply
    55,564.26x = 83,378.97 × 20,528.34
  4. Step 4: Simplify right side
    55,564.26x = 1,711,631,845.01
  5. Step 5: Solve for x
    x = 1,711,631,845.01/55,564.26
  6. Step 6: Final answer
    x = 30,804.55

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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.