Home / 36,579.30-54,836.10-14,407.80

Finding the Fourth Proportional to 36,579.30, 54,836.10 and 14,407.80

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Solution

The fourth proportional to 36,579.30, 54,836.10 and 14,407.80 is: 21,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.30 : 54,836.10 = 14,407.80 : x
  2. Step 2: Convert to fraction form
    36,579.30/54,836.10 = 14,407.80/x
  3. Step 3: Cross multiply
    36,579.30x = 54,836.10 × 14,407.80
  4. Step 4: Simplify right side
    36,579.30x = 790,067,561.58
  5. Step 5: Solve for x
    x = 790,067,561.58/36,579.30
  6. Step 6: Final answer
    x = 21,598.76

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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.