Home / 30,177.06-45,227.25-13,536.42

Finding the Fourth Proportional to 30,177.06, 45,227.25 and 13,536.42

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Solution

The fourth proportional to 30,177.06, 45,227.25 and 13,536.42 is: 20,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.06 : 45,227.25 = 13,536.42 : x
  2. Step 2: Convert to fraction form
    30,177.06/45,227.25 = 13,536.42/x
  3. Step 3: Cross multiply
    30,177.06x = 45,227.25 × 13,536.42
  4. Step 4: Simplify right side
    30,177.06x = 612,215,051.45
  5. Step 5: Solve for x
    x = 612,215,051.45/30,177.06
  6. Step 6: Final answer
    x = 20,287.43

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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.