Home / 38,955.27-53,755.04-21,963.68

Finding the Fourth Proportional to 38,955.27, 53,755.04 and 21,963.68

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Solution

The fourth proportional to 38,955.27, 53,755.04 and 21,963.68 is: 30,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,955.27 : 53,755.04 = 21,963.68 : x
  2. Step 2: Convert to fraction form
    38,955.27/53,755.04 = 21,963.68/x
  3. Step 3: Cross multiply
    38,955.27x = 53,755.04 × 21,963.68
  4. Step 4: Simplify right side
    38,955.27x = 1,180,658,635.85
  5. Step 5: Solve for x
    x = 1,180,658,635.85/38,955.27
  6. Step 6: Final answer
    x = 30,308.06

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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.