Home / 38,910.48-53,696.52-23,002.80

Finding the Fourth Proportional to 38,910.48, 53,696.52 and 23,002.80

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Solution

The fourth proportional to 38,910.48, 53,696.52 and 23,002.80 is: 31,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.48 : 53,696.52 = 23,002.80 : x
  2. Step 2: Convert to fraction form
    38,910.48/53,696.52 = 23,002.80/x
  3. Step 3: Cross multiply
    38,910.48x = 53,696.52 × 23,002.80
  4. Step 4: Simplify right side
    38,910.48x = 1,235,170,310.26
  5. Step 5: Solve for x
    x = 1,235,170,310.26/38,910.48
  6. Step 6: Final answer
    x = 31,743.90

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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.