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Finding the Fourth Proportional to 40,314.84, 60,492.72 and 18,123.72

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Solution

The fourth proportional to 40,314.84, 60,492.72 and 18,123.72 is: 27,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.84 : 60,492.72 = 18,123.72 : x
  2. Step 2: Convert to fraction form
    40,314.84/60,492.72 = 18,123.72/x
  3. Step 3: Cross multiply
    40,314.84x = 60,492.72 × 18,123.72
  4. Step 4: Simplify right side
    40,314.84x = 1,096,353,119.32
  5. Step 5: Solve for x
    x = 1,096,353,119.32/40,314.84
  6. Step 6: Final answer
    x = 27,194.78

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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.