Home / 31,576.52-47,331.84-12,849.06

Finding the Fourth Proportional to 31,576.52, 47,331.84 and 12,849.06

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Solution

The fourth proportional to 31,576.52, 47,331.84 and 12,849.06 is: 19,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.52 : 47,331.84 = 12,849.06 : x
  2. Step 2: Convert to fraction form
    31,576.52/47,331.84 = 12,849.06/x
  3. Step 3: Cross multiply
    31,576.52x = 47,331.84 × 12,849.06
  4. Step 4: Simplify right side
    31,576.52x = 608,169,652.07
  5. Step 5: Solve for x
    x = 608,169,652.07/31,576.52
  6. Step 6: Final answer
    x = 19,260.19

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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.