Home / 45,821.62-68,732.38-12,541.96

Finding the Fourth Proportional to 45,821.62, 68,732.38 and 12,541.96

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Solution

The fourth proportional to 45,821.62, 68,732.38 and 12,541.96 is: 18,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.62 : 68,732.38 = 12,541.96 : x
  2. Step 2: Convert to fraction form
    45,821.62/68,732.38 = 12,541.96/x
  3. Step 3: Cross multiply
    45,821.62x = 68,732.38 × 12,541.96
  4. Step 4: Simplify right side
    45,821.62x = 862,038,729.31
  5. Step 5: Solve for x
    x = 862,038,729.31/45,821.62
  6. Step 6: Final answer
    x = 18,812.93

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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.