Home / 51,210.36-76,815.18-14,274.36

Finding the Fourth Proportional to 51,210.36, 76,815.18 and 14,274.36

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Solution

The fourth proportional to 51,210.36, 76,815.18 and 14,274.36 is: 21,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.36 : 76,815.18 = 14,274.36 : x
  2. Step 2: Convert to fraction form
    51,210.36/76,815.18 = 14,274.36/x
  3. Step 3: Cross multiply
    51,210.36x = 76,815.18 × 14,274.36
  4. Step 4: Simplify right side
    51,210.36x = 1,096,487,532.78
  5. Step 5: Solve for x
    x = 1,096,487,532.78/51,210.36
  6. Step 6: Final answer
    x = 21,411.44

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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.