Home / 45,440.41-68,152.39-13,842.91

Finding the Fourth Proportional to 45,440.41, 68,152.39 and 13,842.91

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Solution

The fourth proportional to 45,440.41, 68,152.39 and 13,842.91 is: 20,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,440.41 : 68,152.39 = 13,842.91 : x
  2. Step 2: Convert to fraction form
    45,440.41/68,152.39 = 13,842.91/x
  3. Step 3: Cross multiply
    45,440.41x = 68,152.39 × 13,842.91
  4. Step 4: Simplify right side
    45,440.41x = 943,427,401.05
  5. Step 5: Solve for x
    x = 943,427,401.05/45,440.41
  6. Step 6: Final answer
    x = 20,761.86

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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.