Home / 30,668.22-46,020.16-12,897.58

Finding the Fourth Proportional to 30,668.22, 46,020.16 and 12,897.58

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Solution

The fourth proportional to 30,668.22, 46,020.16 and 12,897.58 is: 19,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.22 : 46,020.16 = 12,897.58 : x
  2. Step 2: Convert to fraction form
    30,668.22/46,020.16 = 12,897.58/x
  3. Step 3: Cross multiply
    30,668.22x = 46,020.16 × 12,897.58
  4. Step 4: Simplify right side
    30,668.22x = 593,548,695.21
  5. Step 5: Solve for x
    x = 593,548,695.21/30,668.22
  6. Step 6: Final answer
    x = 19,353.87

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1.5x scale

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.