Home / 45,126.09-67,694.93-21,093.62

Finding the Fourth Proportional to 45,126.09, 67,694.93 and 21,093.62

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Solution

The fourth proportional to 45,126.09, 67,694.93 and 21,093.62 is: 31,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,126.09 : 67,694.93 = 21,093.62 : x
  2. Step 2: Convert to fraction form
    45,126.09/67,694.93 = 21,093.62/x
  3. Step 3: Cross multiply
    45,126.09x = 67,694.93 × 21,093.62
  4. Step 4: Simplify right side
    45,126.09x = 1,427,930,685.40
  5. Step 5: Solve for x
    x = 1,427,930,685.40/45,126.09
  6. Step 6: Final answer
    x = 31,643.13

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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.