Home / 38,764.30-58,109.54-12,450.59

Finding the Fourth Proportional to 38,764.30, 58,109.54 and 12,450.59

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Solution

The fourth proportional to 38,764.30, 58,109.54 and 12,450.59 is: 18,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,764.30 : 58,109.54 = 12,450.59 : x
  2. Step 2: Convert to fraction form
    38,764.30/58,109.54 = 12,450.59/x
  3. Step 3: Cross multiply
    38,764.30x = 58,109.54 × 12,450.59
  4. Step 4: Simplify right side
    38,764.30x = 723,498,171.78
  5. Step 5: Solve for x
    x = 723,498,171.78/38,764.30
  6. Step 6: Final answer
    x = 18,664.03

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1.5x scale

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.