Home / 36,886.68-55,346.22-13,519.80

Finding the Fourth Proportional to 36,886.68, 55,346.22 and 13,519.80

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Solution

The fourth proportional to 36,886.68, 55,346.22 and 13,519.80 is: 20,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.68 : 55,346.22 = 13,519.80 : x
  2. Step 2: Convert to fraction form
    36,886.68/55,346.22 = 13,519.80/x
  3. Step 3: Cross multiply
    36,886.68x = 55,346.22 × 13,519.80
  4. Step 4: Simplify right side
    36,886.68x = 748,269,825.16
  5. Step 5: Solve for x
    x = 748,269,825.16/36,886.68
  6. Step 6: Final answer
    x = 20,285.64

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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.