Home / 49,512.98-74,237.88-21,034.64

Finding the Fourth Proportional to 49,512.98, 74,237.88 and 21,034.64

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Solution

The fourth proportional to 49,512.98, 74,237.88 and 21,034.64 is: 31,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512.98 : 74,237.88 = 21,034.64 : x
  2. Step 2: Convert to fraction form
    49,512.98/74,237.88 = 21,034.64/x
  3. Step 3: Cross multiply
    49,512.98x = 74,237.88 × 21,034.64
  4. Step 4: Simplify right side
    49,512.98x = 1,561,567,080.16
  5. Step 5: Solve for x
    x = 1,561,567,080.16/49,512.98
  6. Step 6: Final answer
    x = 31,538.54

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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.