Home / 45,318.32-67,977.48-14,156

Finding the Fourth Proportional to 45,318.32, 67,977.48 and 14,156

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Solution

The fourth proportional to 45,318.32, 67,977.48 and 14,156 is: 21,234

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.32 : 67,977.48 = 14,156 : x
  2. Step 2: Convert to fraction form
    45,318.32/67,977.48 = 14,156/x
  3. Step 3: Cross multiply
    45,318.32x = 67,977.48 × 14,156
  4. Step 4: Simplify right side
    45,318.32x = 962,289,206.88
  5. Step 5: Solve for x
    x = 962,289,206.88/45,318.32
  6. Step 6: Final answer
    x = 21,234

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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.