Home / 40,208.50-55,479.49-22,299.67

Finding the Fourth Proportional to 40,208.50, 55,479.49 and 22,299.67

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Solution

The fourth proportional to 40,208.50, 55,479.49 and 22,299.67 is: 30,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.50 : 55,479.49 = 22,299.67 : x
  2. Step 2: Convert to fraction form
    40,208.50/55,479.49 = 22,299.67/x
  3. Step 3: Cross multiply
    40,208.50x = 55,479.49 × 22,299.67
  4. Step 4: Simplify right side
    40,208.50x = 1,237,174,318.77
  5. Step 5: Solve for x
    x = 1,237,174,318.77/40,208.50
  6. Step 6: Final answer
    x = 30,768.97

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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.