Home / 49,714.47-74,571.86-12,274.55

Finding the Fourth Proportional to 49,714.47, 74,571.86 and 12,274.55

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Solution

The fourth proportional to 49,714.47, 74,571.86 and 12,274.55 is: 18,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,714.47 : 74,571.86 = 12,274.55 : x
  2. Step 2: Convert to fraction form
    49,714.47/74,571.86 = 12,274.55/x
  3. Step 3: Cross multiply
    49,714.47x = 74,571.86 × 12,274.55
  4. Step 4: Simplify right side
    49,714.47x = 915,336,024.16
  5. Step 5: Solve for x
    x = 915,336,024.16/49,714.47
  6. Step 6: Final answer
    x = 18,411.86

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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.