Home / 51,252.63-76,876.21-13,812.10

Finding the Fourth Proportional to 51,252.63, 76,876.21 and 13,812.10

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Solution

The fourth proportional to 51,252.63, 76,876.21 and 13,812.10 is: 20,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,252.63 : 76,876.21 = 13,812.10 : x
  2. Step 2: Convert to fraction form
    51,252.63/76,876.21 = 13,812.10/x
  3. Step 3: Cross multiply
    51,252.63x = 76,876.21 × 13,812.10
  4. Step 4: Simplify right side
    51,252.63x = 1,061,822,196.49
  5. Step 5: Solve for x
    x = 1,061,822,196.49/51,252.63
  6. Step 6: Final answer
    x = 20,717.42

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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.