Home / 45,195.88-62,349.22-28,438.12

Finding the Fourth Proportional to 45,195.88, 62,349.22 and 28,438.12

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Solution

The fourth proportional to 45,195.88, 62,349.22 and 28,438.12 is: 39,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,195.88 : 62,349.22 = 28,438.12 : x
  2. Step 2: Convert to fraction form
    45,195.88/62,349.22 = 28,438.12/x
  3. Step 3: Cross multiply
    45,195.88x = 62,349.22 × 28,438.12
  4. Step 4: Simplify right side
    45,195.88x = 1,773,094,600.27
  5. Step 5: Solve for x
    x = 1,773,094,600.27/45,195.88
  6. Step 6: Final answer
    x = 39,231.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.