Home / 38,778.72-53,588.10-33,035.28

Finding the Fourth Proportional to 38,778.72, 53,588.10 and 33,035.28

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Solution

The fourth proportional to 38,778.72, 53,588.10 and 33,035.28 is: 45,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.72 : 53,588.10 = 33,035.28 : x
  2. Step 2: Convert to fraction form
    38,778.72/53,588.10 = 33,035.28/x
  3. Step 3: Cross multiply
    38,778.72x = 53,588.10 × 33,035.28
  4. Step 4: Simplify right side
    38,778.72x = 1,770,297,888.17
  5. Step 5: Solve for x
    x = 1,770,297,888.17/38,778.72
  6. Step 6: Final answer
    x = 45,651.27

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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.