Home / 31,829.52-47,727.88-14,284.32

Finding the Fourth Proportional to 31,829.52, 47,727.88 and 14,284.32

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Solution

The fourth proportional to 31,829.52, 47,727.88 and 14,284.32 is: 21,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829.52 : 47,727.88 = 14,284.32 : x
  2. Step 2: Convert to fraction form
    31,829.52/47,727.88 = 14,284.32/x
  3. Step 3: Cross multiply
    31,829.52x = 47,727.88 × 14,284.32
  4. Step 4: Simplify right side
    31,829.52x = 681,760,310.84
  5. Step 5: Solve for x
    x = 681,760,310.84/31,829.52
  6. Step 6: Final answer
    x = 21,419.12

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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.