Home / 39,679.80-59,519.64-16,289.76

Finding the Fourth Proportional to 39,679.80, 59,519.64 and 16,289.76

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Solution

The fourth proportional to 39,679.80, 59,519.64 and 16,289.76 is: 24,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.80 : 59,519.64 = 16,289.76 : x
  2. Step 2: Convert to fraction form
    39,679.80/59,519.64 = 16,289.76/x
  3. Step 3: Cross multiply
    39,679.80x = 59,519.64 × 16,289.76
  4. Step 4: Simplify right side
    39,679.80x = 969,560,650.89
  5. Step 5: Solve for x
    x = 969,560,650.89/39,679.80
  6. Step 6: Final answer
    x = 24,434.62

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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.