Home / 30,164.14-45,261.30-13,536.06

Finding the Fourth Proportional to 30,164.14, 45,261.30 and 13,536.06

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Solution

The fourth proportional to 30,164.14, 45,261.30 and 13,536.06 is: 20,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.14 : 45,261.30 = 13,536.06 : x
  2. Step 2: Convert to fraction form
    30,164.14/45,261.30 = 13,536.06/x
  3. Step 3: Cross multiply
    30,164.14x = 45,261.30 × 13,536.06
  4. Step 4: Simplify right side
    30,164.14x = 612,659,672.48
  5. Step 5: Solve for x
    x = 612,659,672.48/30,164.14
  6. Step 6: Final answer
    x = 20,310.86

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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.