Home / 39,827.58-54,963.53-21,923.34

Finding the Fourth Proportional to 39,827.58, 54,963.53 and 21,923.34

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Solution

The fourth proportional to 39,827.58, 54,963.53 and 21,923.34 is: 30,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.58 : 54,963.53 = 21,923.34 : x
  2. Step 2: Convert to fraction form
    39,827.58/54,963.53 = 21,923.34/x
  3. Step 3: Cross multiply
    39,827.58x = 54,963.53 × 21,923.34
  4. Step 4: Simplify right side
    39,827.58x = 1,204,984,046.17
  5. Step 5: Solve for x
    x = 1,204,984,046.17/39,827.58
  6. Step 6: Final answer
    x = 30,255.02

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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.