Home / 34,647.64-51,940.28-12,455.80

Finding the Fourth Proportional to 34,647.64, 51,940.28 and 12,455.80

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Solution

The fourth proportional to 34,647.64, 51,940.28 and 12,455.80 is: 18,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.64 : 51,940.28 = 12,455.80 : x
  2. Step 2: Convert to fraction form
    34,647.64/51,940.28 = 12,455.80/x
  3. Step 3: Cross multiply
    34,647.64x = 51,940.28 × 12,455.80
  4. Step 4: Simplify right side
    34,647.64x = 646,957,739.62
  5. Step 5: Solve for x
    x = 646,957,739.62/34,647.64
  6. Step 6: Final answer
    x = 18,672.49

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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.