Home / 38,622.39-53,298.27-21,627.78

Finding the Fourth Proportional to 38,622.39, 53,298.27 and 21,627.78

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Solution

The fourth proportional to 38,622.39, 53,298.27 and 21,627.78 is: 29,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.39 : 53,298.27 = 21,627.78 : x
  2. Step 2: Convert to fraction form
    38,622.39/53,298.27 = 21,627.78/x
  3. Step 3: Cross multiply
    38,622.39x = 53,298.27 × 21,627.78
  4. Step 4: Simplify right side
    38,622.39x = 1,152,723,257.94
  5. Step 5: Solve for x
    x = 1,152,723,257.94/38,622.39
  6. Step 6: Final answer
    x = 29,845.98

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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.