Home / 31,660.07-47,474.24-11,668.59

Finding the Fourth Proportional to 31,660.07, 47,474.24 and 11,668.59

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Solution

The fourth proportional to 31,660.07, 47,474.24 and 11,668.59 is: 17,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.07 : 47,474.24 = 11,668.59 : x
  2. Step 2: Convert to fraction form
    31,660.07/47,474.24 = 11,668.59/x
  3. Step 3: Cross multiply
    31,660.07x = 47,474.24 × 11,668.59
  4. Step 4: Simplify right side
    31,660.07x = 553,957,383.78
  5. Step 5: Solve for x
    x = 553,957,383.78/31,660.07
  6. Step 6: Final answer
    x = 17,497.04

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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.