Home / 36,720.55-50,677.28-20,808.91

Finding the Fourth Proportional to 36,720.55, 50,677.28 and 20,808.91

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Solution

The fourth proportional to 36,720.55, 50,677.28 and 20,808.91 is: 28,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.55 : 50,677.28 = 20,808.91 : x
  2. Step 2: Convert to fraction form
    36,720.55/50,677.28 = 20,808.91/x
  3. Step 3: Cross multiply
    36,720.55x = 50,677.28 × 20,808.91
  4. Step 4: Simplify right side
    36,720.55x = 1,054,538,958.56
  5. Step 5: Solve for x
    x = 1,054,538,958.56/36,720.55
  6. Step 6: Final answer
    x = 28,717.95

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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.