Home / 45,315.54-62,532.54-28,318.86

Finding the Fourth Proportional to 45,315.54, 62,532.54 and 28,318.86

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Solution

The fourth proportional to 45,315.54, 62,532.54 and 28,318.86 is: 39,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.54 : 62,532.54 = 28,318.86 : x
  2. Step 2: Convert to fraction form
    45,315.54/62,532.54 = 28,318.86/x
  3. Step 3: Cross multiply
    45,315.54x = 62,532.54 × 28,318.86
  4. Step 4: Simplify right side
    45,315.54x = 1,770,850,245.70
  5. Step 5: Solve for x
    x = 1,770,850,245.70/45,315.54
  6. Step 6: Final answer
    x = 39,078.21

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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.