Home / 38,818.75-58,240.42-13,858.25

Finding the Fourth Proportional to 38,818.75, 58,240.42 and 13,858.25

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Solution

The fourth proportional to 38,818.75, 58,240.42 and 13,858.25 is: 20,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.75 : 58,240.42 = 13,858.25 : x
  2. Step 2: Convert to fraction form
    38,818.75/58,240.42 = 13,858.25/x
  3. Step 3: Cross multiply
    38,818.75x = 58,240.42 × 13,858.25
  4. Step 4: Simplify right side
    38,818.75x = 807,110,052.57
  5. Step 5: Solve for x
    x = 807,110,052.57/38,818.75
  6. Step 6: Final answer
    x = 20,791.76

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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.