Home / 31,346.57-43,249.89-18,589.15

Finding the Fourth Proportional to 31,346.57, 43,249.89 and 18,589.15

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Solution

The fourth proportional to 31,346.57, 43,249.89 and 18,589.15 is: 25,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.57 : 43,249.89 = 18,589.15 : x
  2. Step 2: Convert to fraction form
    31,346.57/43,249.89 = 18,589.15/x
  3. Step 3: Cross multiply
    31,346.57x = 43,249.89 × 18,589.15
  4. Step 4: Simplify right side
    31,346.57x = 803,978,654.28
  5. Step 5: Solve for x
    x = 803,978,654.28/31,346.57
  6. Step 6: Final answer
    x = 25,648.06

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1.5x scale

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.