Home / 54,810.40-82,237.20-21,524.80

Finding the Fourth Proportional to 54,810.40, 82,237.20 and 21,524.80

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Solution

The fourth proportional to 54,810.40, 82,237.20 and 21,524.80 is: 32,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.40 : 82,237.20 = 21,524.80 : x
  2. Step 2: Convert to fraction form
    54,810.40/82,237.20 = 21,524.80/x
  3. Step 3: Cross multiply
    54,810.40x = 82,237.20 × 21,524.80
  4. Step 4: Simplify right side
    54,810.40x = 1,770,139,282.56
  5. Step 5: Solve for x
    x = 1,770,139,282.56/54,810.40
  6. Step 6: Final answer
    x = 32,295.68

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1.5x scale

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.