Home / 52,996.57-79,464.32-21,421.75

Finding the Fourth Proportional to 52,996.57, 79,464.32 and 21,421.75

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Solution

The fourth proportional to 52,996.57, 79,464.32 and 21,421.75 is: 32,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,996.57 : 79,464.32 = 21,421.75 : x
  2. Step 2: Convert to fraction form
    52,996.57/79,464.32 = 21,421.75/x
  3. Step 3: Cross multiply
    52,996.57x = 79,464.32 × 21,421.75
  4. Step 4: Simplify right side
    52,996.57x = 1,702,264,796.96
  5. Step 5: Solve for x
    x = 1,702,264,796.96/52,996.57
  6. Step 6: Final answer
    x = 32,120.28

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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.