Home / 45,724.60-68,586.90-39,892.60

Finding the Fourth Proportional to 45,724.60, 68,586.90 and 39,892.60

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Solution

The fourth proportional to 45,724.60, 68,586.90 and 39,892.60 is: 59,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,724.60 : 68,586.90 = 39,892.60 : x
  2. Step 2: Convert to fraction form
    45,724.60/68,586.90 = 39,892.60/x
  3. Step 3: Cross multiply
    45,724.60x = 68,586.90 × 39,892.60
  4. Step 4: Simplify right side
    45,724.60x = 2,736,109,766.94
  5. Step 5: Solve for x
    x = 2,736,109,766.94/45,724.60
  6. Step 6: Final answer
    x = 59,838.90

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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.