Home / 43,142.99-64,737.74-18,200.33

Finding the Fourth Proportional to 43,142.99, 64,737.74 and 18,200.33

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Solution

The fourth proportional to 43,142.99, 64,737.74 and 18,200.33 is: 27,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,142.99 : 64,737.74 = 18,200.33 : x
  2. Step 2: Convert to fraction form
    43,142.99/64,737.74 = 18,200.33/x
  3. Step 3: Cross multiply
    43,142.99x = 64,737.74 × 18,200.33
  4. Step 4: Simplify right side
    43,142.99x = 1,178,248,231.45
  5. Step 5: Solve for x
    x = 1,178,248,231.45/43,142.99
  6. Step 6: Final answer
    x = 27,310.31

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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.