Home / 36,381.32-54,470.58-18,573.68

Finding the Fourth Proportional to 36,381.32, 54,470.58 and 18,573.68

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Solution

The fourth proportional to 36,381.32, 54,470.58 and 18,573.68 is: 27,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.32 : 54,470.58 = 18,573.68 : x
  2. Step 2: Convert to fraction form
    36,381.32/54,470.58 = 18,573.68/x
  3. Step 3: Cross multiply
    36,381.32x = 54,470.58 × 18,573.68
  4. Step 4: Simplify right side
    36,381.32x = 1,011,718,780.33
  5. Step 5: Solve for x
    x = 1,011,718,780.33/36,381.32
  6. Step 6: Final answer
    x = 27,808.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.