Home / 45,630.82-68,389.72-25,849.41

Finding the Fourth Proportional to 45,630.82, 68,389.72 and 25,849.41

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Solution

The fourth proportional to 45,630.82, 68,389.72 and 25,849.41 is: 38,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,630.82 : 68,389.72 = 25,849.41 : x
  2. Step 2: Convert to fraction form
    45,630.82/68,389.72 = 25,849.41/x
  3. Step 3: Cross multiply
    45,630.82x = 68,389.72 × 25,849.41
  4. Step 4: Simplify right side
    45,630.82x = 1,767,833,912.07
  5. Step 5: Solve for x
    x = 1,767,833,912.07/45,630.82
  6. Step 6: Final answer
    x = 38,742.10

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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.