Home / 30,664.65-45,964.17-15,858.66

Finding the Fourth Proportional to 30,664.65, 45,964.17 and 15,858.66

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Solution

The fourth proportional to 30,664.65, 45,964.17 and 15,858.66 is: 23,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.65 : 45,964.17 = 15,858.66 : x
  2. Step 2: Convert to fraction form
    30,664.65/45,964.17 = 15,858.66/x
  3. Step 3: Cross multiply
    30,664.65x = 45,964.17 × 15,858.66
  4. Step 4: Simplify right side
    30,664.65x = 728,930,144.21
  5. Step 5: Solve for x
    x = 728,930,144.21/30,664.65
  6. Step 6: Final answer
    x = 23,771.02

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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.