Home / 31,971.10-47,954.92-9,784.48

Finding the Fourth Proportional to 31,971.10, 47,954.92 and 9,784.48

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Solution

The fourth proportional to 31,971.10, 47,954.92 and 9,784.48 is: 14,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.10 : 47,954.92 = 9,784.48 : x
  2. Step 2: Convert to fraction form
    31,971.10/47,954.92 = 9,784.48/x
  3. Step 3: Cross multiply
    31,971.10x = 47,954.92 × 9,784.48
  4. Step 4: Simplify right side
    31,971.10x = 469,213,955.64
  5. Step 5: Solve for x
    x = 469,213,955.64/31,971.10
  6. Step 6: Final answer
    x = 14,676.19

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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.