Home / 43,228.50-64,817.84-16,918.89

Finding the Fourth Proportional to 43,228.50, 64,817.84 and 16,918.89

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Solution

The fourth proportional to 43,228.50, 64,817.84 and 16,918.89 is: 25,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.50 : 64,817.84 = 16,918.89 : x
  2. Step 2: Convert to fraction form
    43,228.50/64,817.84 = 16,918.89/x
  3. Step 3: Cross multiply
    43,228.50x = 64,817.84 × 16,918.89
  4. Step 4: Simplify right side
    43,228.50x = 1,096,645,820.40
  5. Step 5: Solve for x
    x = 1,096,645,820.40/43,228.50
  6. Step 6: Final answer
    x = 25,368.58

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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.