Home / 38,586.51-53,245.62-21,589.74

Finding the Fourth Proportional to 38,586.51, 53,245.62 and 21,589.74

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Solution

The fourth proportional to 38,586.51, 53,245.62 and 21,589.74 is: 29,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.51 : 53,245.62 = 21,589.74 : x
  2. Step 2: Convert to fraction form
    38,586.51/53,245.62 = 21,589.74/x
  3. Step 3: Cross multiply
    38,586.51x = 53,245.62 × 21,589.74
  4. Step 4: Simplify right side
    38,586.51x = 1,149,559,091.94
  5. Step 5: Solve for x
    x = 1,149,559,091.94/38,586.51
  6. Step 6: Final answer
    x = 29,791.74

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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.