Home / 45,005.73-67,520.87-19,700.64

Finding the Fourth Proportional to 45,005.73, 67,520.87 and 19,700.64

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Solution

The fourth proportional to 45,005.73, 67,520.87 and 19,700.64 is: 29,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,005.73 : 67,520.87 = 19,700.64 : x
  2. Step 2: Convert to fraction form
    45,005.73/67,520.87 = 19,700.64/x
  3. Step 3: Cross multiply
    45,005.73x = 67,520.87 × 19,700.64
  4. Step 4: Simplify right side
    45,005.73x = 1,330,204,253.85
  5. Step 5: Solve for x
    x = 1,330,204,253.85/45,005.73
  6. Step 6: Final answer
    x = 29,556.33

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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.