Home / 55,846.26-83,747.52-20,766.78

Finding the Fourth Proportional to 55,846.26, 83,747.52 and 20,766.78

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Solution

The fourth proportional to 55,846.26, 83,747.52 and 20,766.78 is: 31,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.26 : 83,747.52 = 20,766.78 : x
  2. Step 2: Convert to fraction form
    55,846.26/83,747.52 = 20,766.78/x
  3. Step 3: Cross multiply
    55,846.26x = 83,747.52 × 20,766.78
  4. Step 4: Simplify right side
    55,846.26x = 1,739,166,323.39
  5. Step 5: Solve for x
    x = 1,739,166,323.39/55,846.26
  6. Step 6: Final answer
    x = 31,142.04

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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.