Home / 36,087.06-49,803.03-20,778.39

Finding the Fourth Proportional to 36,087.06, 49,803.03 and 20,778.39

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Solution

The fourth proportional to 36,087.06, 49,803.03 and 20,778.39 is: 28,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.06 : 49,803.03 = 20,778.39 : x
  2. Step 2: Convert to fraction form
    36,087.06/49,803.03 = 20,778.39/x
  3. Step 3: Cross multiply
    36,087.06x = 49,803.03 × 20,778.39
  4. Step 4: Simplify right side
    36,087.06x = 1,034,826,780.52
  5. Step 5: Solve for x
    x = 1,034,826,780.52/36,087.06
  6. Step 6: Final answer
    x = 28,675.84

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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.