Home / 36,643.72-54,969.56-11,677.90

Finding the Fourth Proportional to 36,643.72, 54,969.56 and 11,677.90

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Solution

The fourth proportional to 36,643.72, 54,969.56 and 11,677.90 is: 17,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643.72 : 54,969.56 = 11,677.90 : x
  2. Step 2: Convert to fraction form
    36,643.72/54,969.56 = 11,677.90/x
  3. Step 3: Cross multiply
    36,643.72x = 54,969.56 × 11,677.90
  4. Step 4: Simplify right side
    36,643.72x = 641,929,024.72
  5. Step 5: Solve for x
    x = 641,929,024.72/36,643.72
  6. Step 6: Final answer
    x = 17,518.12

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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.