Home / 31,848.03-47,789.88-13,141.89

Finding the Fourth Proportional to 31,848.03, 47,789.88 and 13,141.89

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Solution

The fourth proportional to 31,848.03, 47,789.88 and 13,141.89 is: 19,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.03 : 47,789.88 = 13,141.89 : x
  2. Step 2: Convert to fraction form
    31,848.03/47,789.88 = 13,141.89/x
  3. Step 3: Cross multiply
    31,848.03x = 47,789.88 × 13,141.89
  4. Step 4: Simplify right side
    31,848.03x = 628,049,346.07
  5. Step 5: Solve for x
    x = 628,049,346.07/31,848.03
  6. Step 6: Final answer
    x = 19,720.19

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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.