Home / 49,548.20-74,276.80-21,450.64

Finding the Fourth Proportional to 49,548.20, 74,276.80 and 21,450.64

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Solution

The fourth proportional to 49,548.20, 74,276.80 and 21,450.64 is: 32,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,548.20 : 74,276.80 = 21,450.64 : x
  2. Step 2: Convert to fraction form
    49,548.20/74,276.80 = 21,450.64/x
  3. Step 3: Cross multiply
    49,548.20x = 74,276.80 × 21,450.64
  4. Step 4: Simplify right side
    49,548.20x = 1,593,284,897.15
  5. Step 5: Solve for x
    x = 1,593,284,897.15/49,548.20
  6. Step 6: Final answer
    x = 32,156.26

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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.