Home / 31,660.76-47,494.36-11,955.88

Finding the Fourth Proportional to 31,660.76, 47,494.36 and 11,955.88

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Solution

The fourth proportional to 31,660.76, 47,494.36 and 11,955.88 is: 17,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.76 : 47,494.36 = 11,955.88 : x
  2. Step 2: Convert to fraction form
    31,660.76/47,494.36 = 11,955.88/x
  3. Step 3: Cross multiply
    31,660.76x = 47,494.36 × 11,955.88
  4. Step 4: Simplify right side
    31,660.76x = 567,836,868.84
  5. Step 5: Solve for x
    x = 567,836,868.84/31,660.76
  6. Step 6: Final answer
    x = 17,935.04

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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.