Home / 38,790.37-58,185.60-12,499.03

Finding the Fourth Proportional to 38,790.37, 58,185.60 and 12,499.03

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Solution

The fourth proportional to 38,790.37, 58,185.60 and 12,499.03 is: 18,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790.37 : 58,185.60 = 12,499.03 : x
  2. Step 2: Convert to fraction form
    38,790.37/58,185.60 = 12,499.03/x
  3. Step 3: Cross multiply
    38,790.37x = 58,185.60 × 12,499.03
  4. Step 4: Simplify right side
    38,790.37x = 727,263,559.97
  5. Step 5: Solve for x
    x = 727,263,559.97/38,790.37
  6. Step 6: Final answer
    x = 18,748.56

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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.