Home / 38,240.99-57,369.58-11,947.71

Finding the Fourth Proportional to 38,240.99, 57,369.58 and 11,947.71

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Solution

The fourth proportional to 38,240.99, 57,369.58 and 11,947.71 is: 17,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.99 : 57,369.58 = 11,947.71 : x
  2. Step 2: Convert to fraction form
    38,240.99/57,369.58 = 11,947.71/x
  3. Step 3: Cross multiply
    38,240.99x = 57,369.58 × 11,947.71
  4. Step 4: Simplify right side
    38,240.99x = 685,435,074.79
  5. Step 5: Solve for x
    x = 685,435,074.79/38,240.99
  6. Step 6: Final answer
    x = 17,924.10

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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.