Home / 36,737.90-55,086.60-11,430.56

Finding the Fourth Proportional to 36,737.90, 55,086.60 and 11,430.56

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Solution

The fourth proportional to 36,737.90, 55,086.60 and 11,430.56 is: 17,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,737.90 : 55,086.60 = 11,430.56 : x
  2. Step 2: Convert to fraction form
    36,737.90/55,086.60 = 11,430.56/x
  3. Step 3: Cross multiply
    36,737.90x = 55,086.60 × 11,430.56
  4. Step 4: Simplify right side
    36,737.90x = 629,670,686.50
  5. Step 5: Solve for x
    x = 629,670,686.50/36,737.90
  6. Step 6: Final answer
    x = 17,139.54

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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.