Home / 30,434.03-41,976.72-20,344.73

Finding the Fourth Proportional to 30,434.03, 41,976.72 and 20,344.73

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Solution

The fourth proportional to 30,434.03, 41,976.72 and 20,344.73 is: 28,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.03 : 41,976.72 = 20,344.73 : x
  2. Step 2: Convert to fraction form
    30,434.03/41,976.72 = 20,344.73/x
  3. Step 3: Cross multiply
    30,434.03x = 41,976.72 × 20,344.73
  4. Step 4: Simplify right side
    30,434.03x = 854,005,034.69
  5. Step 5: Solve for x
    x = 854,005,034.69/30,434.03
  6. Step 6: Final answer
    x = 28,060.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.