Home / 36,768.86-55,135.07-13,072.85

Finding the Fourth Proportional to 36,768.86, 55,135.07 and 13,072.85

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Solution

The fourth proportional to 36,768.86, 55,135.07 and 13,072.85 is: 19,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768.86 : 55,135.07 = 13,072.85 : x
  2. Step 2: Convert to fraction form
    36,768.86/55,135.07 = 13,072.85/x
  3. Step 3: Cross multiply
    36,768.86x = 55,135.07 × 13,072.85
  4. Step 4: Simplify right side
    36,768.86x = 720,772,749.24
  5. Step 5: Solve for x
    x = 720,772,749.24/36,768.86
  6. Step 6: Final answer
    x = 19,602.80

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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.