Home / 38,583.43-53,240.56-21,588.62

Finding the Fourth Proportional to 38,583.43, 53,240.56 and 21,588.62

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Solution

The fourth proportional to 38,583.43, 53,240.56 and 21,588.62 is: 29,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.43 : 53,240.56 = 21,588.62 : x
  2. Step 2: Convert to fraction form
    38,583.43/53,240.56 = 21,588.62/x
  3. Step 3: Cross multiply
    38,583.43x = 53,240.56 × 21,588.62
  4. Step 4: Simplify right side
    38,583.43x = 1,149,389,898.25
  5. Step 5: Solve for x
    x = 1,149,389,898.25/38,583.43
  6. Step 6: Final answer
    x = 29,789.73

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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.