Home / 45,022.80-67,528.32-11,745.36

Finding the Fourth Proportional to 45,022.80, 67,528.32 and 11,745.36

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Solution

The fourth proportional to 45,022.80, 67,528.32 and 11,745.36 is: 17,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,022.80 : 67,528.32 = 11,745.36 : x
  2. Step 2: Convert to fraction form
    45,022.80/67,528.32 = 11,745.36/x
  3. Step 3: Cross multiply
    45,022.80x = 67,528.32 × 11,745.36
  4. Step 4: Simplify right side
    45,022.80x = 793,144,428.60
  5. Step 5: Solve for x
    x = 793,144,428.60/45,022.80
  6. Step 6: Final answer
    x = 17,616.51

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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.