Home / 54,741.22-82,086.31-28,438.90

Finding the Fourth Proportional to 54,741.22, 82,086.31 and 28,438.90

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Solution

The fourth proportional to 54,741.22, 82,086.31 and 28,438.90 is: 42,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.22 : 82,086.31 = 28,438.90 : x
  2. Step 2: Convert to fraction form
    54,741.22/82,086.31 = 28,438.90/x
  3. Step 3: Cross multiply
    54,741.22x = 82,086.31 × 28,438.90
  4. Step 4: Simplify right side
    54,741.22x = 2,334,444,191.79
  5. Step 5: Solve for x
    x = 2,334,444,191.79/54,741.22
  6. Step 6: Final answer
    x = 42,645.09

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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.