Home / 52,991.40-79,458.30-21,829.80

Finding the Fourth Proportional to 52,991.40, 79,458.30 and 21,829.80

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Solution

The fourth proportional to 52,991.40, 79,458.30 and 21,829.80 is: 32,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,991.40 : 79,458.30 = 21,829.80 : x
  2. Step 2: Convert to fraction form
    52,991.40/79,458.30 = 21,829.80/x
  3. Step 3: Cross multiply
    52,991.40x = 79,458.30 × 21,829.80
  4. Step 4: Simplify right side
    52,991.40x = 1,734,558,797.34
  5. Step 5: Solve for x
    x = 1,734,558,797.34/52,991.40
  6. Step 6: Final answer
    x = 32,732.84

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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.