Home / 31,641.56-47,424.24-11,635.08

Finding the Fourth Proportional to 31,641.56, 47,424.24 and 11,635.08

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Solution

The fourth proportional to 31,641.56, 47,424.24 and 11,635.08 is: 17,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.56 : 47,424.24 = 11,635.08 : x
  2. Step 2: Convert to fraction form
    31,641.56/47,424.24 = 11,635.08/x
  3. Step 3: Cross multiply
    31,641.56x = 47,424.24 × 11,635.08
  4. Step 4: Simplify right side
    31,641.56x = 551,784,826.34
  5. Step 5: Solve for x
    x = 551,784,826.34/31,641.56
  6. Step 6: Final answer
    x = 17,438.61

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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.