Home / 29,259.89-40,379.24-17,318.87

Finding the Fourth Proportional to 29,259.89, 40,379.24 and 17,318.87

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Solution

The fourth proportional to 29,259.89, 40,379.24 and 17,318.87 is: 23,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.89 : 40,379.24 = 17,318.87 : x
  2. Step 2: Convert to fraction form
    29,259.89/40,379.24 = 17,318.87/x
  3. Step 3: Cross multiply
    29,259.89x = 40,379.24 × 17,318.87
  4. Step 4: Simplify right side
    29,259.89x = 699,322,721.66
  5. Step 5: Solve for x
    x = 699,322,721.66/29,259.89
  6. Step 6: Final answer
    x = 23,900.39

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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.