Home / 31,776.44-47,662.36-13,051.40

Finding the Fourth Proportional to 31,776.44, 47,662.36 and 13,051.40

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Solution

The fourth proportional to 31,776.44, 47,662.36 and 13,051.40 is: 19,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.44 : 47,662.36 = 13,051.40 : x
  2. Step 2: Convert to fraction form
    31,776.44/47,662.36 = 13,051.40/x
  3. Step 3: Cross multiply
    31,776.44x = 47,662.36 × 13,051.40
  4. Step 4: Simplify right side
    31,776.44x = 622,060,525.30
  5. Step 5: Solve for x
    x = 622,060,525.30/31,776.44
  6. Step 6: Final answer
    x = 19,576.16

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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.