Home / 30,067.56-45,087.30-12,532.68

Finding the Fourth Proportional to 30,067.56, 45,087.30 and 12,532.68

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Solution

The fourth proportional to 30,067.56, 45,087.30 and 12,532.68 is: 18,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.56 : 45,087.30 = 12,532.68 : x
  2. Step 2: Convert to fraction form
    30,067.56/45,087.30 = 12,532.68/x
  3. Step 3: Cross multiply
    30,067.56x = 45,087.30 × 12,532.68
  4. Step 4: Simplify right side
    30,067.56x = 565,064,702.96
  5. Step 5: Solve for x
    x = 565,064,702.96/30,067.56
  6. Step 6: Final answer
    x = 18,793.17

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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.