Home / 36,972.99-55,435.23-13,268.66

Finding the Fourth Proportional to 36,972.99, 55,435.23 and 13,268.66

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Solution

The fourth proportional to 36,972.99, 55,435.23 and 13,268.66 is: 19,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.99 : 55,435.23 = 13,268.66 : x
  2. Step 2: Convert to fraction form
    36,972.99/55,435.23 = 13,268.66/x
  3. Step 3: Cross multiply
    36,972.99x = 55,435.23 × 13,268.66
  4. Step 4: Simplify right side
    36,972.99x = 735,550,941.72
  5. Step 5: Solve for x
    x = 735,550,941.72/36,972.99
  6. Step 6: Final answer
    x = 19,894.28

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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.