Home / 45,890.82-68,827.98-12,157.05

Finding the Fourth Proportional to 45,890.82, 68,827.98 and 12,157.05

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Solution

The fourth proportional to 45,890.82, 68,827.98 and 12,157.05 is: 18,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.82 : 68,827.98 = 12,157.05 : x
  2. Step 2: Convert to fraction form
    45,890.82/68,827.98 = 12,157.05/x
  3. Step 3: Cross multiply
    45,890.82x = 68,827.98 × 12,157.05
  4. Step 4: Simplify right side
    45,890.82x = 836,745,194.26
  5. Step 5: Solve for x
    x = 836,745,194.26/45,890.82
  6. Step 6: Final answer
    x = 18,233.39

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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.