Home / 36,693.13-50,636.73-20,779.06

Finding the Fourth Proportional to 36,693.13, 50,636.73 and 20,779.06

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Solution

The fourth proportional to 36,693.13, 50,636.73 and 20,779.06 is: 28,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.13 : 50,636.73 = 20,779.06 : x
  2. Step 2: Convert to fraction form
    36,693.13/50,636.73 = 20,779.06/x
  3. Step 3: Cross multiply
    36,693.13x = 50,636.73 × 20,779.06
  4. Step 4: Simplify right side
    36,693.13x = 1,052,183,650.87
  5. Step 5: Solve for x
    x = 1,052,183,650.87/36,693.13
  6. Step 6: Final answer
    x = 28,675.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.