Home / 36,982.20-55,478.84-13,606.86

Finding the Fourth Proportional to 36,982.20, 55,478.84 and 13,606.86

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Solution

The fourth proportional to 36,982.20, 55,478.84 and 13,606.86 is: 20,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.20 : 55,478.84 = 13,606.86 : x
  2. Step 2: Convert to fraction form
    36,982.20/55,478.84 = 13,606.86/x
  3. Step 3: Cross multiply
    36,982.20x = 55,478.84 × 13,606.86
  4. Step 4: Simplify right side
    36,982.20x = 754,892,808.84
  5. Step 5: Solve for x
    x = 754,892,808.84/36,982.20
  6. Step 6: Final answer
    x = 20,412.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.