Home / 30,719.66-46,043.53-11,731.85

Finding the Fourth Proportional to 30,719.66, 46,043.53 and 11,731.85

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Solution

The fourth proportional to 30,719.66, 46,043.53 and 11,731.85 is: 17,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.66 : 46,043.53 = 11,731.85 : x
  2. Step 2: Convert to fraction form
    30,719.66/46,043.53 = 11,731.85/x
  3. Step 3: Cross multiply
    30,719.66x = 46,043.53 × 11,731.85
  4. Step 4: Simplify right side
    30,719.66x = 540,175,748.80
  5. Step 5: Solve for x
    x = 540,175,748.80/30,719.66
  6. Step 6: Final answer
    x = 17,584.04

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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.