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Finding the Fourth Proportional to 43,492.84, 65,239.26 and 12,327.88

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Solution

The fourth proportional to 43,492.84, 65,239.26 and 12,327.88 is: 18,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.84 : 65,239.26 = 12,327.88 : x
  2. Step 2: Convert to fraction form
    43,492.84/65,239.26 = 12,327.88/x
  3. Step 3: Cross multiply
    43,492.84x = 65,239.26 × 12,327.88
  4. Step 4: Simplify right side
    43,492.84x = 804,261,768.57
  5. Step 5: Solve for x
    x = 804,261,768.57/43,492.84
  6. Step 6: Final answer
    x = 18,491.82

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1.5x scale

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.