Home / 38,766.24-53,497.26-21,768.12

Finding the Fourth Proportional to 38,766.24, 53,497.26 and 21,768.12

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Solution

The fourth proportional to 38,766.24, 53,497.26 and 21,768.12 is: 30,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.24 : 53,497.26 = 21,768.12 : x
  2. Step 2: Convert to fraction form
    38,766.24/53,497.26 = 21,768.12/x
  3. Step 3: Cross multiply
    38,766.24x = 53,497.26 × 21,768.12
  4. Step 4: Simplify right side
    38,766.24x = 1,164,534,775.35
  5. Step 5: Solve for x
    x = 1,164,534,775.35/38,766.24
  6. Step 6: Final answer
    x = 30,039.92

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Double scale
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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.