Home / 43,171.68-64,757.52-40,735.20

Finding the Fourth Proportional to 43,171.68, 64,757.52 and 40,735.20

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Solution

The fourth proportional to 43,171.68, 64,757.52 and 40,735.20 is: 61,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.68 : 64,757.52 = 40,735.20 : x
  2. Step 2: Convert to fraction form
    43,171.68/64,757.52 = 40,735.20/x
  3. Step 3: Cross multiply
    43,171.68x = 64,757.52 × 40,735.20
  4. Step 4: Simplify right side
    43,171.68x = 2,637,910,528.70
  5. Step 5: Solve for x
    x = 2,637,910,528.70/43,171.68
  6. Step 6: Final answer
    x = 61,102.80

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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.