Home / 30,441.38-45,671.30-21,573.86

Finding the Fourth Proportional to 30,441.38, 45,671.30 and 21,573.86

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Solution

The fourth proportional to 30,441.38, 45,671.30 and 21,573.86 is: 32,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.38 : 45,671.30 = 21,573.86 : x
  2. Step 2: Convert to fraction form
    30,441.38/45,671.30 = 21,573.86/x
  3. Step 3: Cross multiply
    30,441.38x = 45,671.30 × 21,573.86
  4. Step 4: Simplify right side
    30,441.38x = 985,306,003.86
  5. Step 5: Solve for x
    x = 985,306,003.86/30,441.38
  6. Step 6: Final answer
    x = 32,367.32

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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.