Home / 30,668.21-46,020.17-12,897.58

Finding the Fourth Proportional to 30,668.21, 46,020.17 and 12,897.58

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Solution

The fourth proportional to 30,668.21, 46,020.17 and 12,897.58 is: 19,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.21 : 46,020.17 = 12,897.58 : x
  2. Step 2: Convert to fraction form
    30,668.21/46,020.17 = 12,897.58/x
  3. Step 3: Cross multiply
    30,668.21x = 46,020.17 × 12,897.58
  4. Step 4: Simplify right side
    30,668.21x = 593,548,824.19
  5. Step 5: Solve for x
    x = 593,548,824.19/30,668.21
  6. Step 6: Final answer
    x = 19,353.88

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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.