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Finding the Fourth Proportional to 36,779.50, 55,169.39 and 9,077.50

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Solution

The fourth proportional to 36,779.50, 55,169.39 and 9,077.50 is: 13,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.50 : 55,169.39 = 9,077.50 : x
  2. Step 2: Convert to fraction form
    36,779.50/55,169.39 = 9,077.50/x
  3. Step 3: Cross multiply
    36,779.50x = 55,169.39 × 9,077.50
  4. Step 4: Simplify right side
    36,779.50x = 500,800,137.73
  5. Step 5: Solve for x
    x = 500,800,137.73/36,779.50
  6. Step 6: Final answer
    x = 13,616.28

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1.5x scale

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.