Home / 43,286.01-64,879.80-18,310.47

Finding the Fourth Proportional to 43,286.01, 64,879.80 and 18,310.47

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Solution

The fourth proportional to 43,286.01, 64,879.80 and 18,310.47 is: 27,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.01 : 64,879.80 = 18,310.47 : x
  2. Step 2: Convert to fraction form
    43,286.01/64,879.80 = 18,310.47/x
  3. Step 3: Cross multiply
    43,286.01x = 64,879.80 × 18,310.47
  4. Step 4: Simplify right side
    43,286.01x = 1,187,979,631.51
  5. Step 5: Solve for x
    x = 1,187,979,631.51/43,286.01
  6. Step 6: Final answer
    x = 27,444.89

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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.