Home / 52,687.26-79,030.49-21,500.64

Finding the Fourth Proportional to 52,687.26, 79,030.49 and 21,500.64

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Solution

The fourth proportional to 52,687.26, 79,030.49 and 21,500.64 is: 32,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,687.26 : 79,030.49 = 21,500.64 : x
  2. Step 2: Convert to fraction form
    52,687.26/79,030.49 = 21,500.64/x
  3. Step 3: Cross multiply
    52,687.26x = 79,030.49 × 21,500.64
  4. Step 4: Simplify right side
    52,687.26x = 1,699,206,007.01
  5. Step 5: Solve for x
    x = 1,699,206,007.01/52,687.26
  6. Step 6: Final answer
    x = 32,250.79

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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.