Home / 40,575.38-60,865.82-12,493.70

Finding the Fourth Proportional to 40,575.38, 60,865.82 and 12,493.70

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Solution

The fourth proportional to 40,575.38, 60,865.82 and 12,493.70 is: 18,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,575.38 : 60,865.82 = 12,493.70 : x
  2. Step 2: Convert to fraction form
    40,575.38/60,865.82 = 12,493.70/x
  3. Step 3: Cross multiply
    40,575.38x = 60,865.82 × 12,493.70
  4. Step 4: Simplify right side
    40,575.38x = 760,439,022.24
  5. Step 5: Solve for x
    x = 760,439,022.24/40,575.38
  6. Step 6: Final answer
    x = 18,741.39

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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.