Home / 36,720.18-50,675.85-20,807.73

Finding the Fourth Proportional to 36,720.18, 50,675.85 and 20,807.73

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Solution

The fourth proportional to 36,720.18, 50,675.85 and 20,807.73 is: 28,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.18 : 50,675.85 = 20,807.73 : x
  2. Step 2: Convert to fraction form
    36,720.18/50,675.85 = 20,807.73/x
  3. Step 3: Cross multiply
    36,720.18x = 50,675.85 × 20,807.73
  4. Step 4: Simplify right side
    36,720.18x = 1,054,449,404.32
  5. Step 5: Solve for x
    x = 1,054,449,404.32/36,720.18
  6. Step 6: Final answer
    x = 28,715.80

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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.