Home / 38,741.85-58,093.65-13,778.19

Finding the Fourth Proportional to 38,741.85, 58,093.65 and 13,778.19

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Solution

The fourth proportional to 38,741.85, 58,093.65 and 13,778.19 is: 20,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,741.85 : 58,093.65 = 13,778.19 : x
  2. Step 2: Convert to fraction form
    38,741.85/58,093.65 = 13,778.19/x
  3. Step 3: Cross multiply
    38,741.85x = 58,093.65 × 13,778.19
  4. Step 4: Simplify right side
    38,741.85x = 800,425,347.49
  5. Step 5: Solve for x
    x = 800,425,347.49/38,741.85
  6. Step 6: Final answer
    x = 20,660.48

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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.