Home / 45,526-68,299.16-13,940.50

Finding the Fourth Proportional to 45,526, 68,299.16 and 13,940.50

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Solution

The fourth proportional to 45,526, 68,299.16 and 13,940.50 is: 20,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,526 : 68,299.16 = 13,940.50 : x
  2. Step 2: Convert to fraction form
    45,526/68,299.16 = 13,940.50/x
  3. Step 3: Cross multiply
    45,526x = 68,299.16 × 13,940.50
  4. Step 4: Simplify right side
    45,526x = 952,124,439.98
  5. Step 5: Solve for x
    x = 952,124,439.98/45,526
  6. Step 6: Final answer
    x = 20,913.86

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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.