Home / 38,729.43-53,464.32-29,773.80

Finding the Fourth Proportional to 38,729.43, 53,464.32 and 29,773.80

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Solution

The fourth proportional to 38,729.43, 53,464.32 and 29,773.80 is: 41,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.43 : 53,464.32 = 29,773.80 : x
  2. Step 2: Convert to fraction form
    38,729.43/53,464.32 = 29,773.80/x
  3. Step 3: Cross multiply
    38,729.43x = 53,464.32 × 29,773.80
  4. Step 4: Simplify right side
    38,729.43x = 1,591,835,970.82
  5. Step 5: Solve for x
    x = 1,591,835,970.82/38,729.43
  6. Step 6: Final answer
    x = 41,101.46

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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.