Home / 36,438.60-54,659.25-12,741.51

Finding the Fourth Proportional to 36,438.60, 54,659.25 and 12,741.51

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Solution

The fourth proportional to 36,438.60, 54,659.25 and 12,741.51 is: 19,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.60 : 54,659.25 = 12,741.51 : x
  2. Step 2: Convert to fraction form
    36,438.60/54,659.25 = 12,741.51/x
  3. Step 3: Cross multiply
    36,438.60x = 54,659.25 × 12,741.51
  4. Step 4: Simplify right side
    36,438.60x = 696,441,380.47
  5. Step 5: Solve for x
    x = 696,441,380.47/36,438.60
  6. Step 6: Final answer
    x = 19,112.74

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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.