Home / 45,064.54-67,604.10-18,771.94

Finding the Fourth Proportional to 45,064.54, 67,604.10 and 18,771.94

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Solution

The fourth proportional to 45,064.54, 67,604.10 and 18,771.94 is: 28,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,064.54 : 67,604.10 = 18,771.94 : x
  2. Step 2: Convert to fraction form
    45,064.54/67,604.10 = 18,771.94/x
  3. Step 3: Cross multiply
    45,064.54x = 67,604.10 × 18,771.94
  4. Step 4: Simplify right side
    45,064.54x = 1,269,060,108.95
  5. Step 5: Solve for x
    x = 1,269,060,108.95/45,064.54
  6. Step 6: Final answer
    x = 28,160.95

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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.