Home / 38,879.76-53,635.59-22,953.54

Finding the Fourth Proportional to 38,879.76, 53,635.59 and 22,953.54

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Solution

The fourth proportional to 38,879.76, 53,635.59 and 22,953.54 is: 31,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.76 : 53,635.59 = 22,953.54 : x
  2. Step 2: Convert to fraction form
    38,879.76/53,635.59 = 22,953.54/x
  3. Step 3: Cross multiply
    38,879.76x = 53,635.59 × 22,953.54
  4. Step 4: Simplify right side
    38,879.76x = 1,231,126,660.49
  5. Step 5: Solve for x
    x = 1,231,126,660.49/38,879.76
  6. Step 6: Final answer
    x = 31,664.98

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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.