Home / 30,958.08-42,743.84-27,345.44

Finding the Fourth Proportional to 30,958.08, 42,743.84 and 27,345.44

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Solution

The fourth proportional to 30,958.08, 42,743.84 and 27,345.44 is: 37,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.08 : 42,743.84 = 27,345.44 : x
  2. Step 2: Convert to fraction form
    30,958.08/42,743.84 = 27,345.44/x
  3. Step 3: Cross multiply
    30,958.08x = 42,743.84 × 27,345.44
  4. Step 4: Simplify right side
    30,958.08x = 1,168,849,112.09
  5. Step 5: Solve for x
    x = 1,168,849,112.09/30,958.08
  6. Step 6: Final answer
    x = 37,755.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.