Home / 36,783.06-50,759.30-20,870.61

Finding the Fourth Proportional to 36,783.06, 50,759.30 and 20,870.61

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Solution

The fourth proportional to 36,783.06, 50,759.30 and 20,870.61 is: 28,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.06 : 50,759.30 = 20,870.61 : x
  2. Step 2: Convert to fraction form
    36,783.06/50,759.30 = 20,870.61/x
  3. Step 3: Cross multiply
    36,783.06x = 50,759.30 × 20,870.61
  4. Step 4: Simplify right side
    36,783.06x = 1,059,377,449.82
  5. Step 5: Solve for x
    x = 1,059,377,449.82/36,783.06
  6. Step 6: Final answer
    x = 28,800.69

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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.