Home / 38,589.12-53,253.99-21,592.80

Finding the Fourth Proportional to 38,589.12, 53,253.99 and 21,592.80

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Solution

The fourth proportional to 38,589.12, 53,253.99 and 21,592.80 is: 29,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.12 : 53,253.99 = 21,592.80 : x
  2. Step 2: Convert to fraction form
    38,589.12/53,253.99 = 21,592.80/x
  3. Step 3: Cross multiply
    38,589.12x = 53,253.99 × 21,592.80
  4. Step 4: Simplify right side
    38,589.12x = 1,149,902,755.27
  5. Step 5: Solve for x
    x = 1,149,902,755.27/38,589.12
  6. Step 6: Final answer
    x = 29,798.63

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Half scale
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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.