Home / 38,896.40-58,336.40-16,720.22

Finding the Fourth Proportional to 38,896.40, 58,336.40 and 16,720.22

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Solution

The fourth proportional to 38,896.40, 58,336.40 and 16,720.22 is: 25,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896.40 : 58,336.40 = 16,720.22 : x
  2. Step 2: Convert to fraction form
    38,896.40/58,336.40 = 16,720.22/x
  3. Step 3: Cross multiply
    38,896.40x = 58,336.40 × 16,720.22
  4. Step 4: Simplify right side
    38,896.40x = 975,397,629.65
  5. Step 5: Solve for x
    x = 975,397,629.65/38,896.40
  6. Step 6: Final answer
    x = 25,076.81

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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.