Home / 49,872.18-74,812.14-14,811.78

Finding the Fourth Proportional to 49,872.18, 74,812.14 and 14,811.78

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Solution

The fourth proportional to 49,872.18, 74,812.14 and 14,811.78 is: 22,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.18 : 74,812.14 = 14,811.78 : x
  2. Step 2: Convert to fraction form
    49,872.18/74,812.14 = 14,811.78/x
  3. Step 3: Cross multiply
    49,872.18x = 74,812.14 × 14,811.78
  4. Step 4: Simplify right side
    49,872.18x = 1,108,100,959.01
  5. Step 5: Solve for x
    x = 1,108,100,959.01/49,872.18
  6. Step 6: Final answer
    x = 22,218.82

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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.