Home / 36,800.98-50,787-20,886.91

Finding the Fourth Proportional to 36,800.98, 50,787 and 20,886.91

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Solution

The fourth proportional to 36,800.98, 50,787 and 20,886.91 is: 28,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,800.98 : 50,787 = 20,886.91 : x
  2. Step 2: Convert to fraction form
    36,800.98/50,787 = 20,886.91/x
  3. Step 3: Cross multiply
    36,800.98x = 50,787 × 20,886.91
  4. Step 4: Simplify right side
    36,800.98x = 1,060,783,656.88
  5. Step 5: Solve for x
    x = 1,060,783,656.88/36,800.98
  6. Step 6: Final answer
    x = 28,824.87

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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.