Home / 55,969.33-83,954-18,519.35

Finding the Fourth Proportional to 55,969.33, 83,954 and 18,519.35

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Solution

The fourth proportional to 55,969.33, 83,954 and 18,519.35 is: 27,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.33 : 83,954 = 18,519.35 : x
  2. Step 2: Convert to fraction form
    55,969.33/83,954 = 18,519.35/x
  3. Step 3: Cross multiply
    55,969.33x = 83,954 × 18,519.35
  4. Step 4: Simplify right side
    55,969.33x = 1,554,773,509.90
  5. Step 5: Solve for x
    x = 1,554,773,509.90/55,969.33
  6. Step 6: Final answer
    x = 27,779.03

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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.