Home / 53,012.80-79,554.96-21,847.36

Finding the Fourth Proportional to 53,012.80, 79,554.96 and 21,847.36

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Solution

The fourth proportional to 53,012.80, 79,554.96 and 21,847.36 is: 32,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.80 : 79,554.96 = 21,847.36 : x
  2. Step 2: Convert to fraction form
    53,012.80/79,554.96 = 21,847.36/x
  3. Step 3: Cross multiply
    53,012.80x = 79,554.96 × 21,847.36
  4. Step 4: Simplify right side
    53,012.80x = 1,738,065,850.91
  5. Step 5: Solve for x
    x = 1,738,065,850.91/53,012.80
  6. Step 6: Final answer
    x = 32,785.78

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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.