Home / 45,489.16-68,240.94-14,314.60

Finding the Fourth Proportional to 45,489.16, 68,240.94 and 14,314.60

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Solution

The fourth proportional to 45,489.16, 68,240.94 and 14,314.60 is: 21,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.16 : 68,240.94 = 14,314.60 : x
  2. Step 2: Convert to fraction form
    45,489.16/68,240.94 = 14,314.60/x
  3. Step 3: Cross multiply
    45,489.16x = 68,240.94 × 14,314.60
  4. Step 4: Simplify right side
    45,489.16x = 976,841,759.72
  5. Step 5: Solve for x
    x = 976,841,759.72/45,489.16
  6. Step 6: Final answer
    x = 21,474.17

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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.