Home / 45,438.42-62,701.86-28,441.92

Finding the Fourth Proportional to 45,438.42, 62,701.86 and 28,441.92

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Solution

The fourth proportional to 45,438.42, 62,701.86 and 28,441.92 is: 39,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.42 : 62,701.86 = 28,441.92 : x
  2. Step 2: Convert to fraction form
    45,438.42/62,701.86 = 28,441.92/x
  3. Step 3: Cross multiply
    45,438.42x = 62,701.86 × 28,441.92
  4. Step 4: Simplify right side
    45,438.42x = 1,783,361,285.97
  5. Step 5: Solve for x
    x = 1,783,361,285.97/45,438.42
  6. Step 6: Final answer
    x = 39,247.87

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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.