Home / 30,936.53-46,423.13-12,218.45

Finding the Fourth Proportional to 30,936.53, 46,423.13 and 12,218.45

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Solution

The fourth proportional to 30,936.53, 46,423.13 and 12,218.45 is: 18,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936.53 : 46,423.13 = 12,218.45 : x
  2. Step 2: Convert to fraction form
    30,936.53/46,423.13 = 12,218.45/x
  3. Step 3: Cross multiply
    30,936.53x = 46,423.13 × 12,218.45
  4. Step 4: Simplify right side
    30,936.53x = 567,218,399.54
  5. Step 5: Solve for x
    x = 567,218,399.54/30,936.53
  6. Step 6: Final answer
    x = 18,334.91

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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.