Home / 52,718.32-79,076.96-21,531.68

Finding the Fourth Proportional to 52,718.32, 79,076.96 and 21,531.68

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Solution

The fourth proportional to 52,718.32, 79,076.96 and 21,531.68 is: 32,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.32 : 79,076.96 = 21,531.68 : x
  2. Step 2: Convert to fraction form
    52,718.32/79,076.96 = 21,531.68/x
  3. Step 3: Cross multiply
    52,718.32x = 79,076.96 × 21,531.68
  4. Step 4: Simplify right side
    52,718.32x = 1,702,659,798.09
  5. Step 5: Solve for x
    x = 1,702,659,798.09/52,718.32
  6. Step 6: Final answer
    x = 32,297.31

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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.