Home / 53,105.50-79,658.25-21,941.56

Finding the Fourth Proportional to 53,105.50, 79,658.25 and 21,941.56

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Solution

The fourth proportional to 53,105.50, 79,658.25 and 21,941.56 is: 32,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.50 : 79,658.25 = 21,941.56 : x
  2. Step 2: Convert to fraction form
    53,105.50/79,658.25 = 21,941.56/x
  3. Step 3: Cross multiply
    53,105.50x = 79,658.25 × 21,941.56
  4. Step 4: Simplify right side
    53,105.50x = 1,747,826,271.87
  5. Step 5: Solve for x
    x = 1,747,826,271.87/53,105.50
  6. Step 6: Final answer
    x = 32,912.34

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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.