Home / 38,411.20-57,616.75-10,709.20

Finding the Fourth Proportional to 38,411.20, 57,616.75 and 10,709.20

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Solution

The fourth proportional to 38,411.20, 57,616.75 and 10,709.20 is: 16,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.20 : 57,616.75 = 10,709.20 : x
  2. Step 2: Convert to fraction form
    38,411.20/57,616.75 = 10,709.20/x
  3. Step 3: Cross multiply
    38,411.20x = 57,616.75 × 10,709.20
  4. Step 4: Simplify right side
    38,411.20x = 617,029,299.10
  5. Step 5: Solve for x
    x = 617,029,299.10/38,411.20
  6. Step 6: Final answer
    x = 16,063.79

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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.