Home / 40,340.13-60,513.38-12,262.62

Finding the Fourth Proportional to 40,340.13, 60,513.38 and 12,262.62

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Solution

The fourth proportional to 40,340.13, 60,513.38 and 12,262.62 is: 18,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,340.13 : 60,513.38 = 12,262.62 : x
  2. Step 2: Convert to fraction form
    40,340.13/60,513.38 = 12,262.62/x
  3. Step 3: Cross multiply
    40,340.13x = 60,513.38 × 12,262.62
  4. Step 4: Simplify right side
    40,340.13x = 742,052,583.86
  5. Step 5: Solve for x
    x = 742,052,583.86/40,340.13
  6. Step 6: Final answer
    x = 18,394.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.