Home / 45,905.85-68,862.11-19,225

Finding the Fourth Proportional to 45,905.85, 68,862.11 and 19,225

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Solution

The fourth proportional to 45,905.85, 68,862.11 and 19,225 is: 28,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.85 : 68,862.11 = 19,225 : x
  2. Step 2: Convert to fraction form
    45,905.85/68,862.11 = 19,225/x
  3. Step 3: Cross multiply
    45,905.85x = 68,862.11 × 19,225
  4. Step 4: Simplify right side
    45,905.85x = 1,323,874,064.75
  5. Step 5: Solve for x
    x = 1,323,874,064.75/45,905.85
  6. Step 6: Final answer
    x = 28,838.90

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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.