Home / 31,712.88-47,584.08-14,194.56

Finding the Fourth Proportional to 31,712.88, 47,584.08 and 14,194.56

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Solution

The fourth proportional to 31,712.88, 47,584.08 and 14,194.56 is: 21,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.88 : 47,584.08 = 14,194.56 : x
  2. Step 2: Convert to fraction form
    31,712.88/47,584.08 = 14,194.56/x
  3. Step 3: Cross multiply
    31,712.88x = 47,584.08 × 14,194.56
  4. Step 4: Simplify right side
    31,712.88x = 675,435,078.60
  5. Step 5: Solve for x
    x = 675,435,078.60/31,712.88
  6. Step 6: Final answer
    x = 21,298.45

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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.