Home / 52,908.02-79,361.16-21,317.31

Finding the Fourth Proportional to 52,908.02, 79,361.16 and 21,317.31

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Solution

The fourth proportional to 52,908.02, 79,361.16 and 21,317.31 is: 31,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.02 : 79,361.16 = 21,317.31 : x
  2. Step 2: Convert to fraction form
    52,908.02/79,361.16 = 21,317.31/x
  3. Step 3: Cross multiply
    52,908.02x = 79,361.16 × 21,317.31
  4. Step 4: Simplify right side
    52,908.02x = 1,691,766,369.74
  5. Step 5: Solve for x
    x = 1,691,766,369.74/52,908.02
  6. Step 6: Final answer
    x = 31,975.61

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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.