Home / 38,747.88-53,370.22-29,778.22

Finding the Fourth Proportional to 38,747.88, 53,370.22 and 29,778.22

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Solution

The fourth proportional to 38,747.88, 53,370.22 and 29,778.22 is: 41,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.88 : 53,370.22 = 29,778.22 : x
  2. Step 2: Convert to fraction form
    38,747.88/53,370.22 = 29,778.22/x
  3. Step 3: Cross multiply
    38,747.88x = 53,370.22 × 29,778.22
  4. Step 4: Simplify right side
    38,747.88x = 1,589,270,152.61
  5. Step 5: Solve for x
    x = 1,589,270,152.61/38,747.88
  6. Step 6: Final answer
    x = 41,015.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.