Home / 36,711.88-55,091.34-13,336.20

Finding the Fourth Proportional to 36,711.88, 55,091.34 and 13,336.20

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Solution

The fourth proportional to 36,711.88, 55,091.34 and 13,336.20 is: 20,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,711.88 : 55,091.34 = 13,336.20 : x
  2. Step 2: Convert to fraction form
    36,711.88/55,091.34 = 13,336.20/x
  3. Step 3: Cross multiply
    36,711.88x = 55,091.34 × 13,336.20
  4. Step 4: Simplify right side
    36,711.88x = 734,709,128.51
  5. Step 5: Solve for x
    x = 734,709,128.51/36,711.88
  6. Step 6: Final answer
    x = 20,012.84

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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.