Home / 29,686.29-40,971.69-16,939.44

Finding the Fourth Proportional to 29,686.29, 40,971.69 and 16,939.44

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Solution

The fourth proportional to 29,686.29, 40,971.69 and 16,939.44 is: 23,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.29 : 40,971.69 = 16,939.44 : x
  2. Step 2: Convert to fraction form
    29,686.29/40,971.69 = 16,939.44/x
  3. Step 3: Cross multiply
    29,686.29x = 40,971.69 × 16,939.44
  4. Step 4: Simplify right side
    29,686.29x = 694,037,484.45
  5. Step 5: Solve for x
    x = 694,037,484.45/29,686.29
  6. Step 6: Final answer
    x = 23,379.06

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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.