Home / 30,546.32-45,793.35-13,900.41

Finding the Fourth Proportional to 30,546.32, 45,793.35 and 13,900.41

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Solution

The fourth proportional to 30,546.32, 45,793.35 and 13,900.41 is: 20,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.32 : 45,793.35 = 13,900.41 : x
  2. Step 2: Convert to fraction form
    30,546.32/45,793.35 = 13,900.41/x
  3. Step 3: Cross multiply
    30,546.32x = 45,793.35 × 13,900.41
  4. Step 4: Simplify right side
    30,546.32x = 636,546,340.27
  5. Step 5: Solve for x
    x = 636,546,340.27/30,546.32
  6. Step 6: Final answer
    x = 20,838.73

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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.