Home / 30,179.20-45,250.62-13,536.22

Finding the Fourth Proportional to 30,179.20, 45,250.62 and 13,536.22

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Solution

The fourth proportional to 30,179.20, 45,250.62 and 13,536.22 is: 20,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.20 : 45,250.62 = 13,536.22 : x
  2. Step 2: Convert to fraction form
    30,179.20/45,250.62 = 13,536.22/x
  3. Step 3: Cross multiply
    30,179.20x = 45,250.62 × 13,536.22
  4. Step 4: Simplify right side
    30,179.20x = 612,522,347.46
  5. Step 5: Solve for x
    x = 612,522,347.46/30,179.20
  6. Step 6: Final answer
    x = 20,296.18

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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.