Home / 38,733.96-53,470.50-29,778.28

Finding the Fourth Proportional to 38,733.96, 53,470.50 and 29,778.28

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Solution

The fourth proportional to 38,733.96, 53,470.50 and 29,778.28 is: 41,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,733.96 : 53,470.50 = 29,778.28 : x
  2. Step 2: Convert to fraction form
    38,733.96/53,470.50 = 29,778.28/x
  3. Step 3: Cross multiply
    38,733.96x = 53,470.50 × 29,778.28
  4. Step 4: Simplify right side
    38,733.96x = 1,592,259,520.74
  5. Step 5: Solve for x
    x = 1,592,259,520.74/38,733.96
  6. Step 6: Final answer
    x = 41,107.58

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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.