Home / 30,164.67-45,262.08-13,536.59

Finding the Fourth Proportional to 30,164.67, 45,262.08 and 13,536.59

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Solution

The fourth proportional to 30,164.67, 45,262.08 and 13,536.59 is: 20,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.67 : 45,262.08 = 13,536.59 : x
  2. Step 2: Convert to fraction form
    30,164.67/45,262.08 = 13,536.59/x
  3. Step 3: Cross multiply
    30,164.67x = 45,262.08 × 13,536.59
  4. Step 4: Simplify right side
    30,164.67x = 612,693,993.20
  5. Step 5: Solve for x
    x = 612,693,993.20/30,164.67
  6. Step 6: Final answer
    x = 20,311.64

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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.