Home / 40,313.38-55,636.59-23,318.50

Finding the Fourth Proportional to 40,313.38, 55,636.59 and 23,318.50

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Solution

The fourth proportional to 40,313.38, 55,636.59 and 23,318.50 is: 32,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.38 : 55,636.59 = 23,318.50 : x
  2. Step 2: Convert to fraction form
    40,313.38/55,636.59 = 23,318.50/x
  3. Step 3: Cross multiply
    40,313.38x = 55,636.59 × 23,318.50
  4. Step 4: Simplify right side
    40,313.38x = 1,297,361,823.92
  5. Step 5: Solve for x
    x = 1,297,361,823.92/40,313.38
  6. Step 6: Final answer
    x = 32,181.92

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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.