Home / 36,720.68-55,084.26-13,340.84

Finding the Fourth Proportional to 36,720.68, 55,084.26 and 13,340.84

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Solution

The fourth proportional to 36,720.68, 55,084.26 and 13,340.84 is: 20,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.68 : 55,084.26 = 13,340.84 : x
  2. Step 2: Convert to fraction form
    36,720.68/55,084.26 = 13,340.84/x
  3. Step 3: Cross multiply
    36,720.68x = 55,084.26 × 13,340.84
  4. Step 4: Simplify right side
    36,720.68x = 734,870,299.18
  5. Step 5: Solve for x
    x = 734,870,299.18/36,720.68
  6. Step 6: Final answer
    x = 20,012.44

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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.