Home / 38,584.96-53,245.68-21,818.24

Finding the Fourth Proportional to 38,584.96, 53,245.68 and 21,818.24

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Solution

The fourth proportional to 38,584.96, 53,245.68 and 21,818.24 is: 30,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.96 : 53,245.68 = 21,818.24 : x
  2. Step 2: Convert to fraction form
    38,584.96/53,245.68 = 21,818.24/x
  3. Step 3: Cross multiply
    38,584.96x = 53,245.68 × 21,818.24
  4. Step 4: Simplify right side
    38,584.96x = 1,161,727,025.20
  5. Step 5: Solve for x
    x = 1,161,727,025.20/38,584.96
  6. Step 6: Final answer
    x = 30,108.29

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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.