Home / 38,911.92-53,701.56-29,917.68

Finding the Fourth Proportional to 38,911.92, 53,701.56 and 29,917.68

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Solution

The fourth proportional to 38,911.92, 53,701.56 and 29,917.68 is: 41,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,911.92 : 53,701.56 = 29,917.68 : x
  2. Step 2: Convert to fraction form
    38,911.92/53,701.56 = 29,917.68/x
  3. Step 3: Cross multiply
    38,911.92x = 53,701.56 × 29,917.68
  4. Step 4: Simplify right side
    38,911.92x = 1,606,626,087.58
  5. Step 5: Solve for x
    x = 1,606,626,087.58/38,911.92
  6. Step 6: Final answer
    x = 41,288.79

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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.