Home / 55,317.94-82,977.21-13,764.94

Finding the Fourth Proportional to 55,317.94, 82,977.21 and 13,764.94

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Solution

The fourth proportional to 55,317.94, 82,977.21 and 13,764.94 is: 20,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317.94 : 82,977.21 = 13,764.94 : x
  2. Step 2: Convert to fraction form
    55,317.94/82,977.21 = 13,764.94/x
  3. Step 3: Cross multiply
    55,317.94x = 82,977.21 × 13,764.94
  4. Step 4: Simplify right side
    55,317.94x = 1,142,176,109.57
  5. Step 5: Solve for x
    x = 1,142,176,109.57/55,317.94
  6. Step 6: Final answer
    x = 20,647.48

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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.