Home / 36,685.50-55,028.34-13,311.96

Finding the Fourth Proportional to 36,685.50, 55,028.34 and 13,311.96

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Solution

The fourth proportional to 36,685.50, 55,028.34 and 13,311.96 is: 19,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.50 : 55,028.34 = 13,311.96 : x
  2. Step 2: Convert to fraction form
    36,685.50/55,028.34 = 13,311.96/x
  3. Step 3: Cross multiply
    36,685.50x = 55,028.34 × 13,311.96
  4. Step 4: Simplify right side
    36,685.50x = 732,535,060.95
  5. Step 5: Solve for x
    x = 732,535,060.95/36,685.50
  6. Step 6: Final answer
    x = 19,967.97

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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.