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Finding the Fourth Proportional to 43,381.17, 65,076.35 and 13,792.07

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Solution

The fourth proportional to 43,381.17, 65,076.35 and 13,792.07 is: 20,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,381.17 : 65,076.35 = 13,792.07 : x
  2. Step 2: Convert to fraction form
    43,381.17/65,076.35 = 13,792.07/x
  3. Step 3: Cross multiply
    43,381.17x = 65,076.35 × 13,792.07
  4. Step 4: Simplify right side
    43,381.17x = 897,537,668.28
  5. Step 5: Solve for x
    x = 897,537,668.28/43,381.17
  6. Step 6: Final answer
    x = 20,689.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.