Home / 49,872.74-68,762.13-31,938.26

Finding the Fourth Proportional to 49,872.74, 68,762.13 and 31,938.26

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Solution

The fourth proportional to 49,872.74, 68,762.13 and 31,938.26 is: 44,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.74 : 68,762.13 = 31,938.26 : x
  2. Step 2: Convert to fraction form
    49,872.74/68,762.13 = 31,938.26/x
  3. Step 3: Cross multiply
    49,872.74x = 68,762.13 × 31,938.26
  4. Step 4: Simplify right side
    49,872.74x = 2,196,142,786.09
  5. Step 5: Solve for x
    x = 2,196,142,786.09/49,872.74
  6. Step 6: Final answer
    x = 44,034.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.