Home / 38,890.61-58,358.57-16,399.91

Finding the Fourth Proportional to 38,890.61, 58,358.57 and 16,399.91

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Solution

The fourth proportional to 38,890.61, 58,358.57 and 16,399.91 is: 24,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.61 : 58,358.57 = 16,399.91 : x
  2. Step 2: Convert to fraction form
    38,890.61/58,358.57 = 16,399.91/x
  3. Step 3: Cross multiply
    38,890.61x = 58,358.57 × 16,399.91
  4. Step 4: Simplify right side
    38,890.61x = 957,075,295.73
  5. Step 5: Solve for x
    x = 957,075,295.73/38,890.61
  6. Step 6: Final answer
    x = 24,609.42

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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.