Home / 31,308.29-46,962.63-7,934.73

Finding the Fourth Proportional to 31,308.29, 46,962.63 and 7,934.73

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Solution

The fourth proportional to 31,308.29, 46,962.63 and 7,934.73 is: 11,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.29 : 46,962.63 = 7,934.73 : x
  2. Step 2: Convert to fraction form
    31,308.29/46,962.63 = 7,934.73/x
  3. Step 3: Cross multiply
    31,308.29x = 46,962.63 × 7,934.73
  4. Step 4: Simplify right side
    31,308.29x = 372,635,789.14
  5. Step 5: Solve for x
    x = 372,635,789.14/31,308.29
  6. Step 6: Final answer
    x = 11,902.15

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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.