Home / 30,933.29-42,687.93-16,786.14

Finding the Fourth Proportional to 30,933.29, 42,687.93 and 16,786.14

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Solution

The fourth proportional to 30,933.29, 42,687.93 and 16,786.14 is: 23,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.29 : 42,687.93 = 16,786.14 : x
  2. Step 2: Convert to fraction form
    30,933.29/42,687.93 = 16,786.14/x
  3. Step 3: Cross multiply
    30,933.29x = 42,687.93 × 16,786.14
  4. Step 4: Simplify right side
    30,933.29x = 716,565,377.74
  5. Step 5: Solve for x
    x = 716,565,377.74/30,933.29
  6. Step 6: Final answer
    x = 23,164.86

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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.