Home / 40,836.29-61,243.49-11,247.12

Finding the Fourth Proportional to 40,836.29, 61,243.49 and 11,247.12

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Solution

The fourth proportional to 40,836.29, 61,243.49 and 11,247.12 is: 16,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.29 : 61,243.49 = 11,247.12 : x
  2. Step 2: Convert to fraction form
    40,836.29/61,243.49 = 11,247.12/x
  3. Step 3: Cross multiply
    40,836.29x = 61,243.49 × 11,247.12
  4. Step 4: Simplify right side
    40,836.29x = 688,812,909.37
  5. Step 5: Solve for x
    x = 688,812,909.37/40,836.29
  6. Step 6: Final answer
    x = 16,867.67

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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.