Home / 45,787.11-68,704.08-21,798.54

Finding the Fourth Proportional to 45,787.11, 68,704.08 and 21,798.54

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Solution

The fourth proportional to 45,787.11, 68,704.08 and 21,798.54 is: 32,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.11 : 68,704.08 = 21,798.54 : x
  2. Step 2: Convert to fraction form
    45,787.11/68,704.08 = 21,798.54/x
  3. Step 3: Cross multiply
    45,787.11x = 68,704.08 × 21,798.54
  4. Step 4: Simplify right side
    45,787.11x = 1,497,648,636.04
  5. Step 5: Solve for x
    x = 1,497,648,636.04/45,787.11
  6. Step 6: Final answer
    x = 32,708.96

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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.