Home / 38,764.80-58,110.29-12,451.10

Finding the Fourth Proportional to 38,764.80, 58,110.29 and 12,451.10

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Solution

The fourth proportional to 38,764.80, 58,110.29 and 12,451.10 is: 18,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,764.80 : 58,110.29 = 12,451.10 : x
  2. Step 2: Convert to fraction form
    38,764.80/58,110.29 = 12,451.10/x
  3. Step 3: Cross multiply
    38,764.80x = 58,110.29 × 12,451.10
  4. Step 4: Simplify right side
    38,764.80x = 723,536,679.01
  5. Step 5: Solve for x
    x = 723,536,679.01/38,764.80
  6. Step 6: Final answer
    x = 18,664.79

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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.