Home / 30,869.96-46,305.17-8,685.58

Finding the Fourth Proportional to 30,869.96, 46,305.17 and 8,685.58

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Solution

The fourth proportional to 30,869.96, 46,305.17 and 8,685.58 is: 13,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.96 : 46,305.17 = 8,685.58 : x
  2. Step 2: Convert to fraction form
    30,869.96/46,305.17 = 8,685.58/x
  3. Step 3: Cross multiply
    30,869.96x = 46,305.17 × 8,685.58
  4. Step 4: Simplify right side
    30,869.96x = 402,187,218.65
  5. Step 5: Solve for x
    x = 402,187,218.65/30,869.96
  6. Step 6: Final answer
    x = 13,028.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.