Home / 43,381.58-65,072.40-17,071.96

Finding the Fourth Proportional to 43,381.58, 65,072.40 and 17,071.96

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Solution

The fourth proportional to 43,381.58, 65,072.40 and 17,071.96 is: 25,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,381.58 : 65,072.40 = 17,071.96 : x
  2. Step 2: Convert to fraction form
    43,381.58/65,072.40 = 17,071.96/x
  3. Step 3: Cross multiply
    43,381.58x = 65,072.40 × 17,071.96
  4. Step 4: Simplify right side
    43,381.58x = 1,110,913,409.90
  5. Step 5: Solve for x
    x = 1,110,913,409.90/43,381.58
  6. Step 6: Final answer
    x = 25,607.95

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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.