Home / 38,951.69-53,747.96-21,953.23

Finding the Fourth Proportional to 38,951.69, 53,747.96 and 21,953.23

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Solution

The fourth proportional to 38,951.69, 53,747.96 and 21,953.23 is: 30,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.69 : 53,747.96 = 21,953.23 : x
  2. Step 2: Convert to fraction form
    38,951.69/53,747.96 = 21,953.23/x
  3. Step 3: Cross multiply
    38,951.69x = 53,747.96 × 21,953.23
  4. Step 4: Simplify right side
    38,951.69x = 1,179,941,083.77
  5. Step 5: Solve for x
    x = 1,179,941,083.77/38,951.69
  6. Step 6: Final answer
    x = 30,292.43

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Similar ratio
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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.