Home / 39,714.58-54,806.50-21,809.96

Finding the Fourth Proportional to 39,714.58, 54,806.50 and 21,809.96

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Solution

The fourth proportional to 39,714.58, 54,806.50 and 21,809.96 is: 30,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,714.58 : 54,806.50 = 21,809.96 : x
  2. Step 2: Convert to fraction form
    39,714.58/54,806.50 = 21,809.96/x
  3. Step 3: Cross multiply
    39,714.58x = 54,806.50 × 21,809.96
  4. Step 4: Simplify right side
    39,714.58x = 1,195,327,244.18
  5. Step 5: Solve for x
    x = 1,195,327,244.18/39,714.58
  6. Step 6: Final answer
    x = 30,097.95

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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.