Home / 32,531.72-48,787.90-13,811.48

Finding the Fourth Proportional to 32,531.72, 48,787.90 and 13,811.48

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Solution

The fourth proportional to 32,531.72, 48,787.90 and 13,811.48 is: 20,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,531.72 : 48,787.90 = 13,811.48 : x
  2. Step 2: Convert to fraction form
    32,531.72/48,787.90 = 13,811.48/x
  3. Step 3: Cross multiply
    32,531.72x = 48,787.90 × 13,811.48
  4. Step 4: Simplify right side
    32,531.72x = 673,833,105.09
  5. Step 5: Solve for x
    x = 673,833,105.09/32,531.72
  6. Step 6: Final answer
    x = 20,713.11

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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.