Home / 43,177.43-64,765.79-12,012.59

Finding the Fourth Proportional to 43,177.43, 64,765.79 and 12,012.59

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Solution

The fourth proportional to 43,177.43, 64,765.79 and 12,012.59 is: 18,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,177.43 : 64,765.79 = 12,012.59 : x
  2. Step 2: Convert to fraction form
    43,177.43/64,765.79 = 12,012.59/x
  3. Step 3: Cross multiply
    43,177.43x = 64,765.79 × 12,012.59
  4. Step 4: Simplify right side
    43,177.43x = 778,004,821.23
  5. Step 5: Solve for x
    x = 778,004,821.23/43,177.43
  6. Step 6: Final answer
    x = 18,018.78

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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.