Home / 36,720.72-50,674.46-20,808.20

Finding the Fourth Proportional to 36,720.72, 50,674.46 and 20,808.20

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Solution

The fourth proportional to 36,720.72, 50,674.46 and 20,808.20 is: 28,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.72 : 50,674.46 = 20,808.20 : x
  2. Step 2: Convert to fraction form
    36,720.72/50,674.46 = 20,808.20/x
  3. Step 3: Cross multiply
    36,720.72x = 50,674.46 × 20,808.20
  4. Step 4: Simplify right side
    36,720.72x = 1,054,444,298.57
  5. Step 5: Solve for x
    x = 1,054,444,298.57/36,720.72
  6. Step 6: Final answer
    x = 28,715.24

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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.