Home / 43,142.40-64,675.20-25,593.60

Finding the Fourth Proportional to 43,142.40, 64,675.20 and 25,593.60

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Solution

The fourth proportional to 43,142.40, 64,675.20 and 25,593.60 is: 38,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,142.40 : 64,675.20 = 25,593.60 : x
  2. Step 2: Convert to fraction form
    43,142.40/64,675.20 = 25,593.60/x
  3. Step 3: Cross multiply
    43,142.40x = 64,675.20 × 25,593.60
  4. Step 4: Simplify right side
    43,142.40x = 1,655,271,198.72
  5. Step 5: Solve for x
    x = 1,655,271,198.72/43,142.40
  6. Step 6: Final answer
    x = 38,367.62

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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.