Home / 65,020.38-89,735.42-36,727.89

Finding the Fourth Proportional to 65,020.38, 89,735.42 and 36,727.89

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Solution

The fourth proportional to 65,020.38, 89,735.42 and 36,727.89 is: 50,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,020.38 : 89,735.42 = 36,727.89 : x
  2. Step 2: Convert to fraction form
    65,020.38/89,735.42 = 36,727.89/x
  3. Step 3: Cross multiply
    65,020.38x = 89,735.42 × 36,727.89
  4. Step 4: Simplify right side
    65,020.38x = 3,295,792,186.19
  5. Step 5: Solve for x
    x = 3,295,792,186.19/65,020.38
  6. Step 6: Final answer
    x = 50,688.61

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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.