Home / 40,640.08-55,958.70-35,575.96

Finding the Fourth Proportional to 40,640.08, 55,958.70 and 35,575.96

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Solution

The fourth proportional to 40,640.08, 55,958.70 and 35,575.96 is: 48,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.08 : 55,958.70 = 35,575.96 : x
  2. Step 2: Convert to fraction form
    40,640.08/55,958.70 = 35,575.96/x
  3. Step 3: Cross multiply
    40,640.08x = 55,958.70 × 35,575.96
  4. Step 4: Simplify right side
    40,640.08x = 1,990,784,472.85
  5. Step 5: Solve for x
    x = 1,990,784,472.85/40,640.08
  6. Step 6: Final answer
    x = 48,985.74

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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.