Home / 31,668.12-47,508-10,606.08

Finding the Fourth Proportional to 31,668.12, 47,508 and 10,606.08

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Solution

The fourth proportional to 31,668.12, 47,508 and 10,606.08 is: 15,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.12 : 47,508 = 10,606.08 : x
  2. Step 2: Convert to fraction form
    31,668.12/47,508 = 10,606.08/x
  3. Step 3: Cross multiply
    31,668.12x = 47,508 × 10,606.08
  4. Step 4: Simplify right side
    31,668.12x = 503,873,648.64
  5. Step 5: Solve for x
    x = 503,873,648.64/31,668.12
  6. Step 6: Final answer
    x = 15,911.07

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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.